chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0 # semantic-release needs this
           token: ${{ secrets.ELEMENT_BOT_GITHUB_TOKEN }} # Otherwise, branch protection rules are not bypassed.
@@ -46,7 +46,7 @@ jobs:
     steps:
       # semantic release will update the package.json version so
       # we need to build the artifacts again to have the correct version number in the docs.
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.ELEMENT_BOT_GITHUB_TOKEN }}

.github/workflows/test_and_deploy.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # We need this for commit-lint
 
@@ -83,7 +83,7 @@ jobs:
           apt install git-lfs
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Pull Repository with LFS
         run: git lfs pull