Update ci.yml

Author: sivaprasadreddy

.github/workflows/ci.yml

@@ -3,15 +3,15 @@ name: Build
 on:
   push:
     branches:
-      - '**'
+      - 'main'
 jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
     strategy:
       matrix:
         distribution: [ 'temurin' ]
-        java: [ '17', '19']
+        java: [ '17']
 
     steps:
       - uses: actions/checkout@v3
@@ -23,4 +23,4 @@ jobs:
           distribution: ${{ matrix.distribution }}
 
       - name: Build all modules
-        run: ./run.sh
+        run: ./run.sh