add failfast to ci test runs (#1529)

## Type of change

- [x] 🐹 Trivial/Minor

## Issue(s)

* #1528

## Test Plan

- [x] 💚 E2E

.github/workflows/ci.yml

@@ -178,9 +178,10 @@ jobs:
           CORSO_PASSPHRASE: ${{ secrets.INTEGRATION_TEST_CORSO_PASSPHRASE }}
         run: |
           set -euo pipefail
-          go test \
-          -json   \
-          -v      \
+          go test   \
+          -json     \
+          -v        \
+          -failfast \
           ./... 2>&1 | tee ./testlog/gotest.log | gotestfmt -hide successful-tests
 
       # Upload the original go test log as an artifact for later review.