ci: Revert to using opencode/github@latest (#606)

Author: ValerianRey

.github/workflows/opencode.yml

@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Run opencode
-        uses: anomalyco/opencode/github@v1
+        uses: anomalyco/opencode/github@latest
         env:
           OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
         with: