Daily Active User Metrics (#3735)

* agent: add StatsReporter

* Stabilize protoc

.github/workflows/coder.yaml

@@ -194,9 +194,15 @@ jobs:
         run: ./scripts/yarn_install.sh
 
       - name: Install Protoc
-        uses: arduino/setup-protoc@v1
-        with:
-          version: "3.20.0"
+        run: |
+          # protoc must be in lockstep with our dogfood Dockerfile
+          # or the version in the comments will differ.
+          set -x
+          cd dogfood
+          DOCKER_BUILDKIT=1 docker build . --target proto -t protoc
+          protoc_dir=/usr/local/bin/protoc
+          docker run --rm --entrypoint cat protoc /tmp/bin/protoc > $protoc_dir
+          chmod +x $protoc_dir
       - uses: actions/setup-go@v3
         with:
           go-version: "~1.19"