Update build.yaml

Author: Koenkk

common/build.yaml

@@ -1,7 +1,6 @@
 build_from:
-  aarch64: ghcr.io/home-assistant/aarch64-base:3.20
-  amd64: ghcr.io/home-assistant/amd64-base:3.20
-  i386: ghcr.io/home-assistant/i386-base:3.20
+  aarch64: ghcr.io/home-assistant/aarch64-base:3.21
+  amd64: ghcr.io/home-assistant/amd64-base:3.21
   # See https://github.com/zigbee2mqtt/hassio-zigbee2mqtt/pull/652#issuecomment-2448119395 why 3.18 is used
   armhf: ghcr.io/home-assistant/armhf-base:3.18
   armv7: ghcr.io/home-assistant/armv7-base:3.18