build(deps): Bump golangci/golangci-lint-action from 5 to 6

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 5 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v5...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

@@ -29,13 +29,13 @@ jobs:
           exclude: "*.pb.go;*.pb.gw.go;*.pulsar.go;swagger/..."
           path: "./..."
       - name: golangci-lint main
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         if: env.GIT_DIFF
         with:
           version: latest
           args: --timeout 8m
       - name: golangci-lint pricefeeder
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         if: ${{ contains(env.GIT_DIFF, 'price-feeder/')  }}
         with:
           version: latest