Squashed commit of the following:

commit ded987322b
Author: Renovate Bot <renovate@sh.ryuu.in>
Date:   Wed Jun 3 13:52:58 2026 +0000

    Update actions/checkout action to v6.0.3

.gitea/workflows/build-and-push.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       - 
         name: Checkout code
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
       - 
         name: Parse Caddy version
         id: version

.gitea/workflows/build-test.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
       - 
         name: Checkout code
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
       - 
         name: Parse Caddy version
         id: version