chore: upgrade gh-aw CLI to latest published v0.88.7 (#46)

* chore: update gh-aw CLI to v0.89.14

* fix: align gh-aw action and CLI to latest published v0.88.7

Author: svg153

.github/workflows/validate.yml

@@ -53,9 +53,9 @@ jobs:
           skills-ref validate skills/github-build-or-reuse
 
       - name: Set up GitHub Agentic Workflows CLI
-        uses: github/gh-aw/actions/setup-cli@82239c030d6a1ef6ec8b87a80a1346eeef211f8d # v0.88.4
+        uses: github/gh-aw/actions/setup-cli@bde367913adeb3132f0a171594c88a17f4b7d08c # v0.88.7
         with:
-          version: v0.88.4
+          version: v0.88.7
 
       - name: Validate GitHub Agentic Workflows Agent Plugin compilation
         env: