temp: debug bisect

Author: BuonOmo

.github/workflows/flaky.yml

@@ -67,3 +67,6 @@ jobs:
       - name: Bisect failing test
         if: ${{ failure() && steps.test.conclusion == 'failure' }}
         run: bin/minitest_bisect ${{ matrix.seed }}
+        env:
+          MTB_VERBOSE: 2
+          MTB_DEBUG: 1