Bump arduino/setup-protoc from 1 to 3

Bumps [arduino/setup-protoc](https://github.com/arduino/setup-protoc) from 1 to 3.
- [Release notes](https://github.com/arduino/setup-protoc/releases)
- [Commits](arduino/setup-protoc@v1...v3)

---
updated-dependencies:
- dependency-name: arduino/setup-protoc
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -62,7 +62,7 @@ jobs:
         ref: ${{ github.head_ref }}
 
     - name: Install Protoc
-      uses: arduino/setup-protoc@v1
+      uses: arduino/setup-protoc@v3
       with:
         version: '3.x'
         repo-token: ${{ secrets.GITHUB_TOKEN }}