fix: drop main-branch/feature-branch workflows in favor of branch.yml. (#3)

Author: korenyoni

.github/workflows/branch.yml

@@ -0,0 +1,26 @@
+name: Branch
+on:
+  pull_request:
+    branches:
+      - main
+      - release/**
+    types: [opened, synchronize, reopened]
+  push:
+    branches:
+      - main
+      - release/v*
+    paths-ignore:
+      - ".github/**"
+      - "docs/**"
+      - "examples/**"
+      - "test/**"
+      - "README.md"
+
+permissions:
+  contents: write
+  actions: write
+
+jobs:
+  github-action:
+    uses: cloudposse-github-actions/.github/.github/workflows/ci.yml@main
+    secrets: inherit