Revert "Bump @actions/github from 2.2.0 to 5.1.1"

[jaylenw]

What does this PR do?

Reverts #32

Background info

The bump in the @actions/github package causes tests to fail upon npm install and npm test. I forgot that the installed packages have to be committed to the repository therefore tests were passing that were shown in #32 with packages without 5.1.1 version of @actions/github installed.

 FAIL  test/action.test.js
  ● Test suite failed to run

    TypeError: github.GitHub is not a constructor

      25 |   : config.get('GH_REPOSITORY').split('/', 2);
      26 |
    > 27 | const octokit = new github.GitHub(
         |                 ^
      28 |   core.getInput('github_token', { required: true })
      29 | )
      30 |

      at Object.<anonymous> (action.js:27:17)
      at Object.<anonymous> (test/action.test.js:1:36)

----------|---------|----------|---------|---------|-------------------
File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
----------|---------|----------|---------|---------|-------------------
All files |       0 |        0 |       0 |       0 |                   
----------|---------|----------|---------|---------|-------------------
Test Suites: 1 failed, 1 total
Tests:       0 total
Snapshots:   0 total
Time:        0.347 s

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cbd9515) 82.64% compared to head (577de0f) 82.64%.

Additional details and impacted files

@@             Coverage Diff              @@
##           development      #33   +/-   ##
============================================
  Coverage        82.64%   82.64%           
============================================
  Files                1        1           
  Lines              121      121           
  Branches            15       15           
============================================
  Hits               100      100           
  Misses              20       20           
  Partials             1        1           

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