Bump golangci-lint action to v4 (#287)

Bump the `golangci-lint` action to `v4` and stop using the cache from
`setup-go` as `golangci-lint` manages its own cache.

This removes all warnings from the summary page from workflow runs.

.github/workflows/build.yml

@@ -36,9 +36,10 @@ jobs:
       uses: actions/setup-go@v5
       with:
         go-version-file: 'go.mod'
+        cache: false
 
     - name: golangci-lint
-      uses: golangci/golangci-lint-action@v3
+      uses: golangci/golangci-lint-action@v4
       with:
         # Require: The version of golangci-lint to use.
         # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.