fix: fix publish

[danez]

Splits the release-please workflow into 2 jobs, first the tests that run with all nodejs versions. IF that is successful then release-please is run once

See also #94 (comment)

[codecov]

Codecov Report

Merging #95 (1b53db6) into main (882b023) will decrease coverage by 2.56%.
The diff coverage is 28.57%.

@@            Coverage Diff             @@
##             main      #95      +/-   ##
==========================================
- Coverage   93.06%   90.50%   -2.57%     
==========================================
  Files           9        9              
  Lines         173      179       +6     
==========================================
+ Hits          161      162       +1     
- Misses         12       17       +5     

Impacted Files	Coverage Δ
lib/wait-port.js	85.96% <28.57%> (-3.85%)	⬇️

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[dwmkerr]

Thanks @danez didn't realise I hadn't fixed this (I've been putting a skeleton based on this project into https://github.com/dwmkerr/template-nodejs-module/ which splits up the workflow just like you've done here)