increase ci test timeout from 10 to 15 minutes (#2971)

#### Does this PR need a docs update or release note?

- [x] ⛔ No

#### Type of change

- [x] 🤖 Supportability/Tests

#### Test Plan

- [x] ⚡ Unit test
- [x] 💚 E2E

.github/workflows/ci.yml

@@ -218,6 +218,7 @@ jobs:
           -v            \
           -failfast     \
           -p 1          \
+          -timeout 15m  \
           ./... 2>&1 | tee ./testlog/gotest.log | gotestfmt -hide successful-tests
 
       # Upload the original go test output as an artifact for later review.
@@ -269,6 +270,7 @@ jobs:
           -v            \
           -failfast     \
           -p 1          \
+          -timeout 15m  \
           ./... 2>&1 | tee ./testlog/gotest-unit.log | gotestfmt -hide successful-tests
 
       # Upload the original go test output as an artifact for later review.
@@ -354,6 +356,7 @@ jobs:
           go test \
           -json   \
           -v      \
+          -timeout 15m  \
           ./... 2>&1 | tee ./testlog/gotest.log | gotestfmt -hide successful-tests
 
       # Upload the original go test log as an artifact for later review.