fix(ci): Update Harbor registry URL to reg.mosaicstack.dev

Changed from reg.diversecanvas.com to reg.mosaicstack.dev

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.woodpecker.yml

@@ -87,8 +87,8 @@ steps:
   docker-build-api:
     image: woodpeckerci/plugin-docker-buildx
     settings:
-      registry: reg.diversecanvas.com
-      repo: reg.diversecanvas.com/mosaic/api
+      registry: reg.mosaicstack.dev
+      repo: reg.mosaicstack.dev/mosaic/api
       dockerfile: apps/api/Dockerfile
       context: .
       platforms:
@@ -109,8 +109,8 @@ steps:
   docker-build-web:
     image: woodpeckerci/plugin-docker-buildx
     settings:
-      registry: reg.diversecanvas.com
-      repo: reg.diversecanvas.com/mosaic/web
+      registry: reg.mosaicstack.dev
+      repo: reg.mosaicstack.dev/mosaic/web
       dockerfile: apps/web/Dockerfile
       context: .
       platforms:
@@ -133,8 +133,8 @@ steps:
   docker-build-postgres:
     image: woodpeckerci/plugin-docker-buildx
     settings:
-      registry: reg.diversecanvas.com
-      repo: reg.diversecanvas.com/mosaic/postgres
+      registry: reg.mosaicstack.dev
+      repo: reg.mosaicstack.dev/mosaic/postgres
       dockerfile: docker/postgres/Dockerfile
       context: docker/postgres
       platforms: