Bugfix/gh actions branch exclusions

[elewis2]

• only runs quicktests for py3.11 on push to branches that are not in a pr
• changes master->main in branch name specification

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 85.86%. Comparing base (b191575) to head (1f7ddee).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #19 +/- ## ======================================== Coverage 85.86% 85.86% ======================================== Files 18 18 Lines 2151 2151 ======================================== Hits 1847 1847 Misses 304 304 ``` | [Flag](https://app.codecov.io/gh/bcgsc/pori_python/pull/19/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bcgsc) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/bcgsc/pori_python/pull/19/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bcgsc) | `85.86% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bcgsc#carryforward-flags-in-the-pull-request-comment) to find out more.

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