fix(ci/luarocks): install protoc before publishing to luarocks

Author: vhyrro

.github/workflows/luarocks.yml

@@ -11,6 +11,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0 # Required to count the commits
+      - name: Install protoc
+        run: apt-get install protobuf-compiler
       - name: Get Version
         run: echo "LUAROCKS_VERSION=$(git describe --abbrev=0 --tags)" >> $GITHUB_ENV
       - name: LuaRocks Upload