Fix getting of cloud commit

[Spacetown]

The function Commits.each uses the wrong URL https://api.bitbucket.org/2.0/repositories/{workspace}/{repo}/commits/{commit} in the yield expression. Here the Commits.get must be used with the commit hash as argument.

Closes #1071

[codecov-commenter]

Codecov Report

Base: 36.09% // Head: 36.09% // No change to project coverage 👍

Coverage data is based on head (465bc66) compared to base (96e0cd1).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1073   +/-   ##
=======================================
  Coverage   36.09%   36.09%           
=======================================
  Files          38       38           
  Lines        6970     6970           
  Branches     1008     1008           
=======================================
  Hits         2516     2516           
  Misses       4346     4346           
  Partials      108      108           

Impacted Files	Coverage Δ
atlassian/bitbucket/cloud/repositories/commits.py	46.87% <0.00%> (ø)

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[gonchik]

Interesting to look to 2 PR like that one #1072

[Spacetown]

Sorry, I only saw the issue and there was no PR linked and no comment.