Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/build-image.yml

@@ -71,7 +71,7 @@ jobs:
         # https://github.com/orgs/community/discussions/25678#discussioncomment-5242449
 
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
         uses: docker/[email protected]

.github/workflows/build-pixi-image.yml

@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
         uses: docker/[email protected]

.github/workflows/shortsha.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Generate Short SHA
         id: shortsha