Follow up adter #13124
I made the choice to convert the pr variable to an integer
at the very end and adjust the tests.
It would be maybe more consistent to work with an integer
everywhere, but this needs a more careful analysis and we
are in a hurry to fix the homberew-core upload CI
Fixes:
2022-04-11T20:19:34.1395885Z [31mError:[0m : Variable $pr of type Int! was provided invalid value
2022-04-11T20:19:34.1398279Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/github/api.rb:261:in `open_graphql'
2022-04-11T20:19:34.1399774Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/github.rb:310:in `get_workflow_run'
2022-04-11T20:19:34.1403699Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:418:in `block (4 levels) in pr_pull'
2022-04-11T20:19:34.1405233Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:417:in `each'
2022-04-11T20:19:34.1406723Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:417:in `block (3 levels) in pr_pull'
2022-04-11T20:19:34.1408112Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.8/lib/ruby/2.6.0/fileutils.rb:128:in `chdir'
2022-04-11T20:19:34.1408986Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.8/lib/ruby/2.6.0/fileutils.rb:128:in `cd'
2022-04-11T20:19:34.1409813Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:400:in `block (2 levels) in pr_pull'
2022-04-11T20:19:34.1410671Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.8/lib/ruby/2.6.0/tmpdir.rb:93:in `mktmpdir'
2022-04-11T20:19:34.1411495Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:399:in `block in pr_pull'
2022-04-11T20:19:34.1412250Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:388:in `each'
2022-04-11T20:19:34.1413056Z /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:388:in `pr_pull'
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