Update runners: release to ubuntu-22.04, draft-pdf to workflow_dispatch

Author: pswpswpsw

.github/workflows/draft-pdf.yml

@@ -1,4 +1,4 @@
-on: [push]
+on: [workflow_dispatch]
 
 jobs:
   paper:

.github/workflows/release.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   release:
     name: Deploy release to PyPI
-    runs-on: linux
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout source
         uses: actions/checkout@v4