fix: restricting when CI is ran to remove repetitions (#219)

Author: itay-grudev

.github/workflows/main.yml

@@ -2,15 +2,29 @@ name: "CI: Build Test"
 
 on:
   push:
-    branches-ignore:
-      - "releases/**"
+    branches: [ $default-branch ]
     paths-ignore:
       - "**.md"
   pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths-ignore:
       - "**.md"
 
 jobs:
+  results:
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    name: Build (matrix)
+    needs: build
+    steps:
+      - name: Check build matrix status
+        if: ${{ needs.build.result != 'success' }}
+        run: exit 1
+
   build:
     name: Build
     strategy: