Add smart-tests-results-upload-action to CI workflows

Integrate cloudbees-oss/smart-tests-results-upload-action@v1 into all
three CI workflows so test artifacts are automatically uploaded after
each run, including on failure.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Konboi

.github/workflows/bazel-test.yml

@@ -41,3 +41,7 @@ jobs:
             echo "smart_tests/jar/exe_deploy.jar is out of date. Run build-java.sh to update it."
             exit 1
           fi
+
+      - name: Upload test results
+        uses: cloudbees-oss/smart-tests-results-upload-action@v1
+        if: always()

.github/workflows/e2e.yml

@@ -130,3 +130,7 @@ jobs:
         env:
           SMART_TESTS_TOKEN: ${{ secrets.LAUNCHABLE_TOKEN_GRADLE }}
         working-directory: examples/gradle
+
+      - name: Upload test results
+        uses: cloudbees-oss/smart-tests-results-upload-action@v1
+        if: always()

.github/workflows/test.yml

@@ -95,3 +95,7 @@ jobs:
           # Test rest of tests
           uv run poe test-xml $(tr '\r\n' '\n' < smart-tests-remainder.txt)
         shell: bash
+
+      - name: Upload test results
+        uses: cloudbees-oss/smart-tests-results-upload-action@v1
+        if: always()