install missing tool in add-projects job

Signed-off-by: cpanato <ctadeu@gmail.com>

.github/workflows/main.yml

@@ -703,6 +703,7 @@ jobs:
   add-projects:
     name: add-projects
     runs-on: ubuntu-latest
+    needs: build-proto
     permissions:
       contents: read
     steps:
@@ -710,7 +711,10 @@ jobs:
        uses: step-security/harden-runner@bdb12b622a910dfdc99a31fdfe6f45a16bc287a4 # v1
        with:
          egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
-
+     - name: Install Protoc
+       uses: arduino/setup-protoc@64c0c85d18e984422218383b81c52f8b077404d3 # v1.1.2
+       with:
+        version: ${{ env.PROTOC_VERSION }}
      - name: Cache builds
        # https://github.com/mvdan/github-actions-golang#how-do-i-set-up-caching-between-builds
        uses: actions/cache@4b0cf6cc4619e737324ddfcec08fff2413359514 #v2.1.7