gateway: bump cpp-linter/cpp-linter-action from 2.15.1 to 2.16.2

Bumps [cpp-linter/cpp-linter-action](https://github.com/cpp-linter/cpp-linter-action) from 2.15.1 to 2.16.2.
- [Release notes](https://github.com/cpp-linter/cpp-linter-action/releases)
- [Commits](cpp-linter/cpp-linter-action@0f6d1b8...b533471)

---
updated-dependencies:
- dependency-name: cpp-linter/cpp-linter-action
  dependency-version: 2.16.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/dummy.yml

@@ -53,7 +53,7 @@ jobs:
         if: false
       - uses: coursier/setup-action@039f736548afa5411c1382f40a5bd9c2d30e0383  # v1.3.9
         if: false
-      - uses: cpp-linter/cpp-linter-action@0f6d1b8d7e38b584cbee606eb23d850c217d54f8  # v2.15.1
+      - uses: cpp-linter/cpp-linter-action@b533471f00c693fdb8ce554e7073d340a574511e  # v2.16.2
         if: false
       - uses: crazy-max/ghaction-import-gpg@e89d40939c28e39f97cf32126055eeae86ba74ec  # v6.3.0
         if: false