Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     name: graphql-codegen-tsc
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: install node
         uses: actions/setup-node@v4
         with:
@@ -45,7 +45,7 @@ jobs:
         ports:
           - 5432:5432
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -75,7 +75,7 @@ jobs:
   docker-build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up webpack cache
         uses: actions/cache@v4
         id: webpack-cache # use this to check for `cache-hit` (`steps.webpack-cache.outputs.cache-hit != 'true'`)

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
   docker-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Log in to registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
       - name: Pull built image
@@ -24,7 +24,7 @@ jobs:
     needs:
       - docker-release
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: superfly/flyctl-actions/setup-flyctl@master
       - run: flyctl deploy --remote-only -a larp-library
         env: