fix: prefix codecov to bash vars

[thomasrockhu-codecov]

fixes #148

[Sweetchuck]

@thomasrockhu-codecov Isn't it possible to use <<parameters>> to pass data between steps?

[codecov]

Codecov Report

Merging #149 (a6ffad2) into master (d26aa90) will increase coverage by 100.00%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##           master      #149        +/-   ##
=============================================
+ Coverage        0   100.00%   +100.00%     
=============================================
  Files           0         1         +1     
  Lines           0         4         +4     
=============================================
+ Hits            0         4         +4     

Flag	Coverage Δ
alpine	100.00% <ø> (?)
backend	∅ <ø> (?)
frontend	∅ <ø> (?)
linux	100.00% <ø> (?)
macos	100.00% <ø> (?)
windows	100.00% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

see 1 file with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[thomasrockhu-codecov]

@Sweetchuck probably, but I would prefer to get something that unblocks you now. If you would like to revisit this and make a PR, I would be happy to review