Bump golangci/golangci-lint-action from 4 to 6

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 4 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v4...v6)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/lint.yml

@@ -48,14 +48,14 @@ jobs:
         with:
           go-version: ${{ matrix.go }}
       - name: golangci-lint (Linux)
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         with:
           skip-pkg-cache: true
           args: --timeout=3m
           version: ${{ env.GOLANGCI_LINT_VERSION }}
       - name: golangci-lint (Windows)
         if: success() || failure() # run this step even if the previous one failed
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         env:
           GOOS: "windows"
         with:
@@ -64,7 +64,7 @@ jobs:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
       - name: golangci-lint (OSX)
         if: success() || failure() # run this step even if the previous one failed
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         env:
           GOOS: "darwin"
         with:
@@ -73,7 +73,7 @@ jobs:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
       - name: golangci-lint (FreeBSD)
         if: success() || failure() # run this step even if the previous one failed
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         env:
           GOOS: "freebsd"
         with:
@@ -82,7 +82,7 @@ jobs:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
       - name: golangci-lint (others)
         if: success() || failure() # run this step even if the previous one failed
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         env:
           GOOS: "solaris" # some OS that we don't have any build tags for
         with: