Don't run reviewer lottery from bots (#397)

* Don't run reviewer lottery from bots

* Add own context testing workflow

.github/workflows/context_testing.yml

@@ -0,0 +1,32 @@
+name: Context testing
+on:
+  pull_request:
+
+jobs:
+  dump_contexts_to_log:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dump GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "$GITHUB_CONTEXT"
+      - name: Dump job context
+        env:
+          JOB_CONTEXT: ${{ toJson(job) }}
+        run: echo "$JOB_CONTEXT"
+      - name: Dump steps context
+        env:
+          STEPS_CONTEXT: ${{ toJson(steps) }}
+        run: echo "$STEPS_CONTEXT"
+      - name: Dump runner context
+        env:
+          RUNNER_CONTEXT: ${{ toJson(runner) }}
+        run: echo "$RUNNER_CONTEXT"
+      - name: Dump strategy context
+        env:
+          STRATEGY_CONTEXT: ${{ toJson(strategy) }}
+        run: echo "$STRATEGY_CONTEXT"
+      - name: Dump matrix context
+        env:
+          MATRIX_CONTEXT: ${{ toJson(matrix) }}
+        run: echo "$MATRIX_CONTEXT"

.github/workflows/reviewer_lottery.yml

@@ -6,7 +6,14 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' && github.actor != 'mergify[bot]' }}
     steps:
+    - name: Dump GitHub context
+      env:
+        GITHUB_CONTEXT: ${{ toJson(github) }}
+      run: |
+        echo "$GITHUB_CONTEXT"
+        echo "The GitHub Actor's username is: $GITHUB_ACTOR"
     - uses: actions/checkout@v4
     - uses: uesteibar/reviewer-lottery@v3
       with: