Add latest version check and update logic for GHCR workflows (#637)

* feat: add latest version check and update logic for GHCR workflows.

* feat: implement latest version checks in GHCR workflows and update related logic.

.github/workflows/image_app.yml

@@ -22,6 +22,16 @@ on:
         type: string
         default: "Dockerfile"
         description: "The Dockerfile to use for building the image."
+      latest:
+        required: false
+        type: boolean
+        default: true
+        description: "Whether to update the latest tag (set to false for maintenance branches)."
+      latest_major:
+        required: false
+        type: boolean
+        default: true
+        description: "Whether to update the major tag (set to false if a newer patch exists in this major)."
 
 env:
   FLAVOR_PREFIX: ${{ inputs.flavor && format('{0}-', inputs.flavor) || '' }}
@@ -47,11 +57,13 @@ jobs:
         id: meta
         with:
           images: ghcr.io/${{ github.repository }}/${{ env.FLAVOR_PREFIX }}${{ inputs.name }}
+          flavor: |
+            latest=${{ inputs.latest && 'auto' || 'false' }}
           tags: |
             type=edge,branch=master
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
+            type=semver,pattern={{major}},enable=${{ inputs.latest_major }}
             type=sha,format=long
 
       - name: Log in to the Container registry