ci) Updating docker registry host (#4)

Reviewed-on: #4
Co-authored-by: Shaun Campbell <shaun@campbellwireless.net>
Co-committed-by: Shaun Campbell <shaun@campbellwireless.net>

.gitea/workflows/main-image.yml

@@ -6,7 +6,7 @@ on:
       - main
 
 env:
-  REGISTRY_HOST: git.campbellwireless.net
+  REGISTRY_HOST: registry.campbellwireless.net
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
@@ -32,7 +32,7 @@ jobs:
       - name: Log in to Gitea registry
         uses: docker/login-action@v3
         with:
-          registry: cloud.campbellwireless.net/git
+          registry: ${{ env.REGISTRY_HOST }}
           username: ${{ secrets.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_PASSWORD }}