Add Composer and Bun dependency caching to CI

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -54,6 +54,13 @@ jobs:
           extensions: intl, pdo_pgsql, zip, gd, redis, imagick
           coverage: xdebug
 
+      - name: Cache Composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-${{ hashFiles('composer.lock') }}
+          restore-keys: composer-
+
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
@@ -62,6 +69,13 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@v1
 
+      - name: Cache Bun dependencies
+        uses: actions/cache@v4
+        with:
+          path: node_modules
+          key: bun-${{ hashFiles('bun.lockb') }}
+          restore-keys: bun-
+
       - name: Install PHP dependencies
         run: composer install --no-interaction --prefer-dist