Add MSRV

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

.github/workflows/install.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Cargo install
-        run: cargo install --git ${{ github.server_url }}/${{ github.repository }} zepter --rev $GITHUB_SHA --locked
+        run: cargo install --git ${{ github.server_url }}/${{ github.repository }} zepter --rev $GITHUB_SHA --locked -q
 
       - name: CLI works
         run: zepter --version && zepter --help

.github/workflows/msrv.yml

@@ -0,0 +1,23 @@
+name: MSRV
+
+on:
+  push:
+    branches: [ "master", "dev" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: self-hosted
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 1
+    - name: Install MRRV
+      run: cargo install cargo-msrv --locked -q
+    - name: Verify MSRV
+      run: cargo msrv verify

Cargo.toml

@@ -6,6 +6,7 @@ authors = [ "Oliver Tale-Yazdi" ]
 description = "Check if features are correctly propagated in your workspace."
 license = "GPL-3.0-only"
 repository = "https://github.com/ggwpez/zepter"
+rust-version = "1.65"
 
 [[bin]]
 name = "zepter"