Go: put back go setup

.github/workflows/go-tests.yml

@@ -16,9 +16,6 @@ on:
       - .github/actions/**
       - codeql-workspace.yml
 
-env:
-  GO_VERSION: '~1.22.0'
-
 permissions:
   contents: read
 
@@ -31,6 +28,21 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Get go version
+        shell: bash
+        run: |
+          (
+            echo -n "GO_VERSION="
+            bazel run @rules_go//go -- version | sed 's/go version go\(\S*\) .*/\1/'
+          ) | tee -a "$GITHUB_ENV"
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+          cache: false
+        id: go
+
       - name: Set up CodeQL CLI
         uses: ./.github/actions/fetch-codeql