chore(deps): update Home Assistant Add-ons to v3.21 (#314)

Co-authored-by: bfra-me[bot] <118100583+bfra-me[bot]@users.noreply.github.com>

example/Dockerfile

@@ -1,5 +1,5 @@
 # https://developers.home-assistant.io/docs/add-ons/configuration#add-on-dockerfile
-ARG BUILD_FROM=ghcr.io/home-assistant/amd64-base:3.20@sha256:f41b6c04af6cb47a048f3e81f11de9bc43af74fc9a01457cdce36369ea0d4f03
+ARG BUILD_FROM=ghcr.io/home-assistant/amd64-base:3.21@sha256:ad0c98b654908c42608ba6d34e3dcb0536e2d9685a1706792c06861f871cba4a
 FROM ${BUILD_FROM}
 
 # renovate: datasource=github-releases depName=home-assistant/tempio versioning=loose

example/build.yaml

@@ -1,10 +1,10 @@
 # https://developers.home-assistant.io/docs/add-ons/configuration#add-on-dockerfile
 build_from:
-  aarch64: 'ghcr.io/home-assistant/aarch64-base:3.20'
-  amd64: 'ghcr.io/home-assistant/amd64-base:3.20'
-  armhf: 'ghcr.io/home-assistant/armhf-base:3.20'
-  armv7: 'ghcr.io/home-assistant/armv7-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'
+  armhf: 'ghcr.io/home-assistant/armhf-base:3.21'
+  armv7: 'ghcr.io/home-assistant/armv7-base:3.21'
+  i386: 'ghcr.io/home-assistant/i386-base:3.21'
 labels:
   org.opencontainers.image.title: 'Home Assistant Add-on: Example add-on'
   org.opencontainers.image.description: 'Example add-on to use as a blueprint for new add-ons.'