Bump GHA to user TSCCR approved versions

Author: nywilken

.github/workflows/ensure-docs-compiled.yaml

@@ -6,8 +6,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎
-        uses: actions/checkout@v2
-      - uses: actions/setup-go@v4
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
       - shell: bash
         run: make build-docs
       - shell: bash