ci: update github actions

Author: Tochemey

.github/workflows/on-pull-request.yaml

@@ -21,10 +21,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go-version }}
           cache: true # caching and restoring go modules and build outputs
@@ -43,9 +43,9 @@ jobs:
         run: go mod tidy && git diff --exit-code
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v1.61.0
+          version: v2.6.1
           skip-cache: true  # cache/restore is done by actions/setup-go@v3 step
           args: -v