fix(ci): Fix GHCR registry pruning (#8443)

Author: PerfectSlayer

.github/workflows/README.md

@@ -87,7 +87,7 @@ _Recovery:_ Check at the milestone for the related issues and update them manual
 
 ### prune-github-container-registry [🔗](prune-github-container-registry.yaml)
 
-_Trigger:_ Every week or manually.
+_Trigger:_ Every day or manually.
 
 _Action:_ Clean up old lib-injection OCI images from GitHub Container Registry.
 

.github/workflows/prune-github-container-registry.yaml

@@ -23,5 +23,5 @@ jobs:
           keep-tags: |
             latest_snapshot
           prune-tags-regexes: |
-            ^[a-z0-9]{40}$
+            ^[a-z0-9]{40}(-arm64|-amd64)?$
           prune-untagged: true