chore(deps): bump golangci/golangci-lint-action from 8 to 9 (#409)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -37,14 +37,14 @@ jobs:
           go test -v -timeout 30s -count=1 ./...
 
       - name: Run Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         with:
           version: latest
           working-directory: core
           args: --color=always --path-mode=abs
 
       - name: Run Fix Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         if: ${{ failure() }}
         with:
           install-mode: none
@@ -79,14 +79,14 @@ jobs:
           go test -v -timeout 30s -count=1 ./...
 
       - name: Run Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         with:
           version: latest
           working-directory: mcp-servers
           args: --color=always --path-mode=abs
 
       - name: Run Fix Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         if: ${{ failure() }}
         with:
           install-mode: none
@@ -116,14 +116,14 @@ jobs:
           go-version-file: "openapi-mcp/go.mod"
 
       - name: Run Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         with:
           version: latest
           working-directory: openapi-mcp
           args: --color=always --path-mode=abs
 
       - name: Run Fix Linter
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         if: ${{ failure() }}
         with:
           install-mode: none