Merge pull request #45 from WyriHaximusNet/renovate/registry-3.x

Update registry Docker tag to v3

Author: WyriHaximus

.github/workflows/ci.yml

@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       registry:
-        image: registry:2
+        image: registry:3
         ports:
           - 5000:5000
     steps: