test_on_ubuntu.yml in duckdb-0.3.2.0

- old
+ new

@@ -1,16 +1,24 @@
 name: Ubuntu
 
-on: [push]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.6.8', '2.7.4', '3.0.2', 'head']
-        duckdb: ['0.3.0', '0.3.1']
+        ruby: ['2.6.9', '2.7.5', '3.0.3', '3.1.1', 'head']
+        duckdb: ['0.3.2', '0.3.1']
 
     steps:
     - uses: actions/checkout@v2
 
     - name: Set up Ruby