ci: bump arduino/setup-protoc from 1 to 2

Bumps [arduino/setup-protoc](https://github.com/arduino/setup-protoc) from 1 to 2.
- [Release notes](https://github.com/arduino/setup-protoc/releases)
- [Commits](arduino/setup-protoc@v1...v2)

---
updated-dependencies:
- dependency-name: arduino/setup-protoc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/test-golang.yaml

@@ -21,7 +21,7 @@ jobs:
           go-version: "1.20"
 
       - name: Install Protoc
-        uses: arduino/setup-protoc@v1
+        uses: arduino/setup-protoc@v2
         with:
           version: '3.19.6'