Disable upload job from forked repo

Author: antonwolfy

.github/workflows/conda-package.yml

@@ -416,7 +416,9 @@ jobs:
 
   upload_linux:
     needs: test_linux
-    if: ${{github.ref == 'refs/heads/master' || (startsWith(github.ref, 'refs/heads/release') == true) || github.event_name == 'push' && contains(github.ref, 'refs/tags/')}}
+    if: |
+      (github.repository == 'IntelPython/dpctl') &&
+      (github.ref == 'refs/heads/master' || (startsWith(github.ref, 'refs/heads/release') == true) || github.event_name == 'push' && contains(github.ref, 'refs/tags/'))
     runs-on: ubuntu-22.04
     timeout-minutes: 20
     strategy:
@@ -453,7 +455,9 @@ jobs:
 
   upload_windows:
     needs: test_windows
-    if: ${{github.ref == 'refs/heads/master' || (startsWith(github.ref, 'refs/heads/release') == true) || github.event_name == 'push' && contains(github.ref, 'refs/tags/')}}
+    if: |
+      (github.repository == 'IntelPython/dpctl') &&
+      (github.ref == 'refs/heads/master' || (startsWith(github.ref, 'refs/heads/release') == true) || github.event_name == 'push' && contains(github.ref, 'refs/tags/'))
     runs-on: windows-2019
     timeout-minutes: 20
     strategy: