Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

Updates `golangci/golangci-lint-action` from 8 to 9
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v8...v9)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: golangci/golangci-lint-action
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/golang.yaml

@@ -21,7 +21,7 @@ jobs:
       with:
         go-version: '1.24.1'
         cache-dependency-path: "**/*.sum"
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: go mod verify
     - run: go test ./...
 
@@ -33,7 +33,7 @@ jobs:
       with:
         go-version: '1.24.1'
         cache-dependency-path: "**/*.sum"
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: go mod verify
     - run: go mod download
     - run: cd fuzz && go test ./...
@@ -46,7 +46,7 @@ jobs:
       with:
         go-version: '1.24.1'
         cache-dependency-path: "**/*.sum"
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: go mod verify
     - run: go mod download
     - run: cd integration && go test ./...
@@ -63,7 +63,7 @@ jobs:
       with:
         go-version: '1.24.1'
         cache-dependency-path: "**/*.sum"
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: go vet ./...
     - run: cd fuzz && go vet ./...
     - run: cd integration && go vet ./...
@@ -80,15 +80,15 @@ jobs:
       with:
         go-version: '1.24.1'
         cache-dependency-path: "**/*.sum"
-    - uses: actions/checkout@v5
-    - uses: golangci/golangci-lint-action@v8
+    - uses: actions/checkout@v6
+    - uses: golangci/golangci-lint-action@v9
       with:
         version: 'v2.1.0'
-    - uses: golangci/golangci-lint-action@v8
+    - uses: golangci/golangci-lint-action@v9
       with:
         working-directory: 'fuzz'
         version: 'v2.1.0'
-    - uses: golangci/golangci-lint-action@v8
+    - uses: golangci/golangci-lint-action@v9
       with:
         working-directory: 'integration'
         version: 'v2.1.0'