Updating workflow order, fixes #254 (#404)

.github/workflows/gh-pages.yml

@@ -1,16 +1,15 @@
 ---
 name: Update LOLBAS-Project.github.io
 on:
-  push:
-    branches:
-      - master
-    paths:
-      - "yml/**.yml"
+  workflow_run:
+    workflows: ["PUSH & PULL REQUEST - YAML Lint and Schema Validation Checks"]
+    types: [completed]
+    branches: [master]
 
 jobs:
   build:
     runs-on: ubuntu-latest
-    if: github.event.repository.fork == false
+    if: ${{ github.event.repository.fork == false && github.event.workflow_run.conclusion == 'success' }}
     steps:
       - uses: actions/checkout@v2