ci: improve and split into multiple files

Author: FBumann

.github/workflows/release.yaml

@@ -80,7 +80,7 @@ jobs:
     name: Run tests
     needs: [check-preparation]
     if: needs.check-preparation.outputs.prepared == 'true'
-    uses: ./.github/workflows/test.yaml
+    uses: ./.github/workflows/tests.yaml
 
   build:
     name: Build package

.github/workflows/test.yaml .github/workflows/tests.yaml.github/workflows/test.yaml renamed to .github/workflows/tests.yaml

@@ -4,9 +4,9 @@ on:
   push:
     branches: [main]
   pull_request:
-    branches: ["*"]
+    branches: ["**"]
   workflow_dispatch:
-  workflow_call:  # Allow release.yaml to call this workflow
+  workflow_call:  # Allow release.yaml to call this workflow.
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}