stop running publish workflows in forks

Author: chaance

.github/workflows/publish-snapshot.yml

@@ -22,6 +22,7 @@ concurrency: ${{ github.workflow }}-${{ github.ref }}
 
 jobs:
   publish-snapshot:
+    if: github.repository == 'radix-ui/primitives'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout

.github/workflows/publish-stable.yml

@@ -13,6 +13,7 @@ concurrency: ${{ github.workflow }}-${{ github.ref }}
 
 jobs:
   publish-stable:
+    if: github.repository == 'radix-ui/primitives'
     name: Version or publish
     timeout-minutes: 15
     runs-on: ubuntu-latest