chore(deps): update ci-actions to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -12,15 +12,15 @@ jobs:
         component: [client, server]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: pnpm/action-setup@v6
         name: Install pnpm
         with:
           package_json_file: ${{ matrix.component }}/package.json
           run_install: false
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
           node-version: '24'
           cache: 'pnpm'
@@ -43,9 +43,9 @@ jobs:
     name: 'Check Dependencies (auto-timetabler-server)'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: '3.10.4'
           cache: 'pip'

.github/workflows/docker-ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: docker/setup-qemu-action@v4
         with:
@@ -47,7 +47,7 @@ jobs:
             name: auto-timetabler-server
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: docker/setup-qemu-action@v4
         with:

.github/workflows/docker.yml

@@ -18,7 +18,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
         with:
@@ -64,7 +64,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
         with: