Update registry Docker tag to v3 (#3289)

| datasource | package  | from | to |
| ---------- | -------- | ---- | -- |
| docker     | registry | 2    | 3  |

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ${{ github.event_name != 'pull_request' && contains(inputs.image, 'plus') && 'kic-plus' || 'ubuntu-24.04' }}
     services:
       registry:
-        image: registry:2
+        image: registry:3
         ports:
           - 5000:5000
     steps: