chore(deps): update actions/checkout action to v6 (#2818)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
         - 9200:9200
 
     steps:
-    - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
     - name: update
       run: sudo apt-get update -y
@@ -106,7 +106,7 @@ jobs:
   frontend-tests:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
     - name: Setup NodeJS
       uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f   # v6

.github/workflows/production.yml

@@ -16,7 +16,7 @@ jobs:
       github.event_name == 'workflow_dispatch' ||
       github.event.workflow_run.conclusion == 'success'
     steps:
-    - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       with:
         ref: release
     - uses: akhileshns/heroku-deploy@e3eb99d45a8e2ec5dca08735e089607befa4bf28

.github/workflows/release-candiate.yml

@@ -16,7 +16,7 @@ jobs:
       github.event_name == 'workflow_dispatch' ||
       github.event.workflow_run.conclusion == 'success'
     steps:
-    - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       with:
         ref: release-candidate
     - uses: akhileshns/heroku-deploy@e3eb99d45a8e2ec5dca08735e089607befa4bf28