build: run some workflows only on nodejs/node

This updates the close-stalled, comment-stalled and license-builder
workflows to skip them on repositories that are not nodejs/node.

PR-URL: https://github.com/nodejs/node/pull/36507
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

.github/workflows/close-stalled.yml

@@ -5,6 +5,7 @@ on:
 
 jobs:
   stale:
+    if: github.repository == 'nodejs/node'
     runs-on: ubuntu-latest
     steps:
     - uses: actions/stale@v3

.github/workflows/comment-stalled.yml

@@ -7,6 +7,7 @@ on:
 
 jobs:
   staleComment:
+    if: github.repository == 'nodejs/node'
     runs-on: ubuntu-latest
     steps:
       - name: Post comment

.github/workflows/license-builder.yml

@@ -7,7 +7,8 @@ on:
   workflow_dispatch:
 
 jobs:
-  update_routes:
+  update_license:
+    if: github.repository == 'nodejs/node'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2