Bump arduino/setup-protoc from 2 to 3

Bumps [arduino/setup-protoc](https://github.com/arduino/setup-protoc) from 2 to 3.
- [Release notes](https://github.com/arduino/setup-protoc/releases)
- [Commits](arduino/setup-protoc@v2...v3)

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

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

.github/workflows/cargo-build.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: install protoc
-        uses: arduino/setup-protoc@v2
+        uses: arduino/setup-protoc@v3
         with:
           version: "23.3"
 

.github/workflows/cargo-test.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: install protoc
-        uses: arduino/setup-protoc@v2
+        uses: arduino/setup-protoc@v3
         with:
           version: "23.3"