chore(ci): add release workflow

Refs #70
Closes #55

Author: scop

.github/workflows/release.yaml

@@ -0,0 +1,25 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        with:
+          fetch-depth: 0
+      - name: Install dependencies
+        run: npm ci
+      - name: Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: npx semantic-release

.gitignore

@@ -0,0 +1 @@
+/node_modules/

.releaserc.yaml

@@ -0,0 +1,26 @@
+release:
+  branches:
+    - main
+
+plugins:
+  - "@semantic-release/commit-analyzer"
+  - "@semantic-release/release-notes-generator"
+  -
+    - semantic-release-replace-plugin
+    - replacements:
+        - files:
+            - modules/servers/upCloudVps/lib/upCloudVps.php
+          from: "'MODULE_VERSION', '.+?'"
+          to: "'MODULE_VERSION', '${nextRelease.version}'"
+          results:
+            - file: modules/servers/upCloudVps/lib/upCloudVps.php
+              hasChanged: true
+              numMatches: 1
+              numReplacements: 1
+          countMatches: true
+  -
+    - "@semantic-release/git"
+    - assets:
+        - modules/servers/upCloudVps/lib/upCloudVps.php
+      message: "chore: release ${nextRelease.version} [skip ci]"
+  - "@semantic-release/github"