Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/frontend-pr.yml

@@ -10,7 +10,7 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: valitydev/action-setup-thrift@v1
       - uses: valitydev/action-frontend/setup-install@v2
         with:

.github/workflows/frontend-publish.yml

@@ -9,7 +9,7 @@ jobs:
     name: Publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: valitydev/action-setup-thrift@v1
       - uses: valitydev/action-frontend/setup-install@v2
         with:

.github/workflows/tag-action.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - uses: valitydev/action-tagger@v2
         with: