chore(deps): update actions/checkout action to v5 (#274)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy-docs.yml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Not needed if lastUpdated is not enabled
       - name: Setup Node

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
         - uses: actions/setup-node@v4
           with:
             node-version: 24

.github/workflows/run-tests.yml

@@ -24,7 +24,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
         - uses: actions/setup-node@v4
           with:
             node-version: 24