intertnal: Fix CI watch target files (#451)

Author: xerial

.github/workflows/test.yml

@@ -7,12 +7,13 @@ on:
       - '**.java'
       - '**.sbt'
       - '.github/workflows/*.yml'
-      - 'src/main/resources/org/xerial/snappy/**'
+      - '**.so'
+      - '**.dll'
+      - 'src/main/resources/**'
   push:
     branches:
       - master
       - main
-      - update-native-libs
     paths:
       - '**.scala'
       - '**.java'