Add dependabot for actions (#12)

.github/dependabot.yml

@@ -9,3 +9,7 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "daily"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+        interval: "daily"

.github/workflows/go.yml

@@ -12,12 +12,12 @@ jobs:
     name: Test
     runs-on: ubuntu-22.04
     steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
-          go-version: "^1.20"
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
+          go-version: stable
       - name: Get dependencies
         run: |
           go get -v -t -d ./...

.github/workflows/release.yml

@@ -9,13 +9,13 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
-          go-version: "^1.19"
+          go-version: stable
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with: