ci: use v5.x as default branch for workflows and releases

- Update v5-tests.yml to run on push to v5.x branch
- Update v5-release.yml to publish releases from v5.x branch
- Update .releaserc.json to target v5.x branch for semantic versioning
- Corrects workflow configuration to match repository's actual default branch

.github/workflows/v5-release.yml

@@ -0,0 +1,26 @@
+name: "[v5] Release"
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+  id-token: write
+  packages: write
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    concurrency:
+      group: release-${{ github.ref }}-${{ github.event_name }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+      - name: Release this GitHub Action
+        uses: cycjimmy/semantic-release-action@v4
+        with:
+          semantic_version: 21
+          branches: v5.x
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/v5-tests.yml

@@ -1,5 +1,9 @@
-name: "[v5] Test and Release"
-on: [push, pull_request]
+name: "[v5] Test"
+on:
+  push:
+    branches:
+      - v5.x
+  pull_request:
 permissions: read-all
 jobs:
   check-v4-compatibility:
@@ -379,24 +383,3 @@ jobs:
           [[ "${{ steps.using-nolimit-slug-max-length.outcome }}" == "success" ]]
           [[ "${{ steps.using-nolimit-slug-max-length.conclusion }}" == "success" ]]
         shell: bash
-
-  release:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      issues: write
-      id-token: write
-      packages: write
-    concurrency:
-      group: release-${{ github.ref }}-${{ github.event_name }}
-    needs:
-      - display-without-checkout
-      - input-short-length-without-checkout
-      - input-slug-maxlength
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v7
-      - name: Release this GitHub Action
-        uses: rlespinasse/release-that@v1
-        with:
-          github-token: ${{ secrets.GH_TOKEN }}

.releaserc.json

@@ -0,0 +1,8 @@
+{
+  "branches": ["v5.x"],
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/github"
+  ]
+}