feat: update dependency update description and improve base image detection for Alpine

Author: ChristophShyper

Taskfile.cicd.yml

@@ -44,9 +44,9 @@ tasks:
       - task: scripts:lint:yamllint
 
   dependency:update:
-    desc: 'No-op: no dedicated dependency updater configured for this profile'
+    desc: Update repository dependencies not covered by Dependabot
     cmds:
-      - task: scripts:dependency:update
+      - task: scripts:packages:update
 
   version:set:
     desc: Update version in README.md and action.yml

Taskfile.scripts.yml

@@ -255,9 +255,17 @@ tasks:
           exit 0
         fi
 
-        base_image="$(sed -nE 's/^FROM[[:space:]]+([^[:space:]]+).*/\1/p' Dockerfile | head -1)"
+        base_image="$(awk '
+          toupper($1) == "FROM" {
+            image=$2
+            if (image ~ /^alpine(:|$)/) {
+              print image
+              exit
+            }
+          }
+        ' Dockerfile)"
         if [ -z "$base_image" ]; then
-          echo "INFO: Could not resolve base image; nothing to update"
+          echo "INFO: No Alpine runtime image found in Dockerfile; nothing to update"
           exit 0
         fi