CI: update actions/checkout to v4

.github/workflows/audit.yml

@@ -11,7 +11,7 @@ jobs:
   security_audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: rustsec/audit-check@v1.4.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/build.yml

@@ -21,14 +21,14 @@ jobs:
   tendermint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo build-all
 
   build-light-client-wasm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: wasm32-unknown-unknown
@@ -38,15 +38,15 @@ jobs:
   tools:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo build-tools
 
   # As per https://github.com/informalsystems/tendermint-rs/issues/1014
   generated-protos-compile:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - name: Install protoc
         run: |

.github/workflows/no-std.yaml

@@ -9,7 +9,7 @@ jobs:
     name: Check no_std panic conflict
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: |
           cd tools/no-std-check
@@ -21,7 +21,7 @@ jobs:
   #   name: Check no_std substrate support
   #   runs-on: ubuntu-latest
   #   steps:
-  #     - uses: actions/checkout@v3
+  #     - uses: actions/checkout@v4
   #     - uses: dtolnay/rust-toolchain@stable
   #     - run: |
   #         cd tools/no-std-check

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - name: Publish crates
         run: ./release.sh

.github/workflows/rust.yml

@@ -21,15 +21,15 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo fmt --all -- --check
 
   # This job creates the "clippy-results" GitHub Action that lists the clippy results in a nice format.
   clippy-json-output:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -42,7 +42,7 @@ jobs:
   clippy-tools-output:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -55,7 +55,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - env:
           RUSTDOCFLAGS: "--cfg docsrs"

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
   default-features:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test
 
@@ -32,28 +32,28 @@ jobs:
   tendermint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features -p tendermint
 
   tendermint-rpc:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features -p tendermint-rpc
 
   tendermint-proto:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features -p tendermint-proto
 
   tendermint-light-client:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       # NOTE: We test with default features to make sure things work without "unstable".
       - name: Test with default features
@@ -65,7 +65,7 @@ jobs:
   tendermint-light-client-js:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
       - run: wasm-pack test --headless --chrome ./light-client-js/
@@ -74,14 +74,14 @@ jobs:
   tendermint-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features -p tendermint-test
 
   tendermint-testgen:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features -p tendermint-testgen
 
@@ -95,7 +95,7 @@ jobs:
           - 26657:26657
           - 26660:26660
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo test-all-features --manifest-path tools/kvstore-test/Cargo.toml -- --nocapture
         env:
@@ -104,7 +104,7 @@ jobs:
   nightly-coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: llvm-tools-preview