Updated and enabled cache server for new setup

CT-Build/Alpine.yaml

@@ -7,7 +7,7 @@ source:
   same_as: 3.12
   keyserver: keys.openpgp.org
 #InitDownloadREPO
-  url: http://dl-4.alpinelinux.org/alpine/
+  url: http://192.168.200.20/alpine/
   keys:
   # 0482D84022F52DF1C4E7CD43293ACD0907D9495A
   - |-
@@ -550,8 +550,8 @@ packages:
   - name: /etc/apk/repositories
     url: |-
       #StartREPOS
-      http://dl-4.alpinelinux.org/alpine//latest-stable/main
-      http://dl-4.alpinelinux.org/alpine/latest-stable/community
+      http://192.168.200.20/alpine//latest-stable/main
+      http://192.168.200.20/alpine/latest-stable/community
       #EndREPOS
       {% if image.variant == "ddns" %}@TestingEdge http://dl-4.alpinelinux.org/alpine/edge/testing{% endif %}