Add version bump workflow

[nezhar]

Fixes #757

[codecov-commenter]

Codecov Report

Merging #1200 (261dadf) into master (afa5877) will increase coverage by 0.28%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1200      +/-   ##
==========================================
+ Coverage   42.69%   42.97%   +0.28%     
==========================================
  Files          55       55              
  Lines         698      698              
  Branches       43       43              
==========================================
+ Hits          298      300       +2     
+ Misses        396      394       -2     
  Partials        4        4              

Impacted Files	Coverage Δ
src/app/layout/fullscreen/fullscreen.component.ts	71.42% <0.00%> (-14.29%)	⬇️
...s/team-member-modal/team-member-modal.component.ts	41.66% <0.00%> (+5.55%)	⬆️
src/app/components/teams/teams.component.ts	50.00% <0.00%> (+6.25%)	⬆️

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