ci: wire MinIO interop failure alerts

.github/workflows/minio-interop.yml

@@ -121,3 +121,21 @@ jobs:
           cargo nextest run --run-ignored ignored-only --no-tests=fail \
             -p "$INTEROP_PACKAGE" --features "$INTEROP_FEATURES" \
             -E "$INTEROP_FILTER"
+
+  alert-on-failure:
+    name: Alert on scheduled failure
+    needs: [minio-interop]
+    if: always() && github.event_name == 'schedule' && contains(needs.*.result, 'failure')
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: read
+      issues: write
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        with:
+          persist-credentials: false
+      - name: Open or update failure-tracking issue
+        uses: ./.github/actions/schedule-failure-issue
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/scheduled-validation-watchdog.yml

@@ -25,6 +25,7 @@ on:
       - "e2e-s3tests"
       - "Fuzz"
       - "mint"
+      - "minio-interop"
       - "Nightly GNU Build"
       - "Performance A/B"
       - "Runner Hygiene"

scripts/check_test_wiring.py

@@ -24,6 +24,7 @@ SCHEDULED_ALERT_WORKFLOWS = (
     ".github/workflows/e2e-s3tests.yml",
     ".github/workflows/fuzz.yml",
     ".github/workflows/mint.yml",
+    ".github/workflows/minio-interop.yml",
     ".github/workflows/nightly-gnu.yml",
     ".github/workflows/performance-ab.yml",
     ".github/workflows/runner-hygiene.yml",