Updating workflow API to no longer point to alpha API

[RyanLettieri]

Description

Editted readme and samples for workflow API to no longer reference alpha.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.03% ⚠️

Comparison is base (fd7168f) 66.45% compared to head (b7c94a3) 66.42%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1151      +/-   ##
==========================================
- Coverage   66.45%   66.42%   -0.03%     
==========================================
  Files         171      171              
  Lines        5750     5758       +8     
  Branches      624      626       +2     
==========================================
+ Hits         3821     3825       +4     
- Misses       1782     1784       +2     
- Partials      147      149       +2     

Flag	Coverage Δ
net6	66.42% <ø> (-0.03%)	⬇️
net7	66.42% <ø> (-0.03%)	⬇️

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see 2 files with indirect coverage changes

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[halspang]

We ended up including these changes in #1194, closing this PR.