Dump environment and GitHub context

.github/workflows/post-release-mergeback.yml

@@ -26,10 +26,13 @@ jobs:
       HEAD_BRANCH: "${{ github.head_ref || github.ref }}"
 
     steps:
-      - name: Dump GitHub Event context
+      - name: Dump environment
+        run: env
+
+      - name: Dump GitHub context
         env:
-          GITHUB_EVENT_CONTEXT: "${{ toJson(github.event) }}"
-        run: echo "$GITHUB_EVENT_CONTEXT"
+          GITHUB_CONTEXT: '${{ toJson(github) }}'
+        run: echo "$GITHUB_CONTEXT"
 
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2

.github/workflows/update-release-branch.yml

@@ -15,6 +15,14 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'github/codeql-action'
     steps:
+    - name: Dump environment
+      run: env
+
+    - name: Dump GitHub context
+      env:
+        GITHUB_CONTEXT: '${{ toJson(github) }}'
+      run: echo "$GITHUB_CONTEXT"
+
     - uses: actions/checkout@v2
       with:
         # Need full history so we calculate diffs