fix(ci): fix github workflow syntax error (risingwavelabs#8702)

Author: Eric Fu

.github/workflows/connector-node-integration.yml

@@ -3,7 +3,7 @@ name: Connector Node Integration tests
 on:
   push:
     branches: [main]
-    path: [java/**, proto/**]
+    paths: [java/**, proto/**]
   pull_request:
     branches: [main]
     paths: [java/**, proto/**]

.github/workflows/intergration_tests.yml

@@ -4,7 +4,10 @@ on:
   schedule:
   # Currently we build docker images at 12:00 (UTC), so run this at 13:00
   - cron: '0 13 * * *'
-push:
+  push:
+    branches: [main]
+    paths: [integration_tests/**]
+  pull_request:
     branches: [main]
     paths: [integration_tests/**]