ci: switch over to using forgejo actions

Commit 883f3103fd pushed by silvermain
Workflow push.yaml

pdfs (budget)

Success

Set up job1s
https://code.forgejo.org/actions/checkout@v41s
nix run .#${{ matrix.script }}4s
https://code.forgejo.org/forgejo/upload-artifact@v40s
Complete job0s