Bump to Alpine 3.19

While at it also add the same set of labels we use on other plug-ins.

build.yaml

@@ -1,10 +1,10 @@
 image: ghcr.io/home-assistant/{arch}-hassio-multicast
 build_from:
-  aarch64: ghcr.io/home-assistant/aarch64-base:3.17
-  armhf: ghcr.io/home-assistant/armhf-base:3.17
-  armv7: ghcr.io/home-assistant/armv7-base:3.17
-  amd64: ghcr.io/home-assistant/amd64-base:3.17
-  i386: ghcr.io/home-assistant/i386-base:3.17
+  aarch64: ghcr.io/home-assistant/aarch64-base:3.19
+  armhf: ghcr.io/home-assistant/armhf-base:3.19
+  armv7: ghcr.io/home-assistant/armv7-base:3.19
+  amd64: ghcr.io/home-assistant/amd64-base:3.19
+  i386: ghcr.io/home-assistant/i386-base:3.19
 codenotary:
   signer: [email protected]
   base_image: [email protected]
@@ -15,4 +15,10 @@ args:
   MDNS_REPEATER_VERSION: 1.2.0
 labels:
   io.hass.type: multicast
+  org.opencontainers.image.title: Home Assistant Multicast Plugin
+  org.opencontainers.image.description: Home Assistant Supervisor plugin for Multicast
   org.opencontainers.image.source: https://github.com/home-assistant/plugin-multicast
+  org.opencontainers.image.authors: The Home Assistant Authors
+  org.opencontainers.image.url: https://www.home-assistant.io/
+  org.opencontainers.image.documentation: https://www.home-assistant.io/docs/
+  org.opencontainers.image.licenses: Apache License 2.0