Gl93 gitlab tests upgrade support

Package Owner Merge Request

Package Changes

• CI test changes to support upgrades
  • Updated Cypress tests to allow for multiple runs for upgrades
  • Updated script to use random branch for upgrades

Links to all MRs that are associated with this change are required.

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/merge_requests/93

Additional Details

Closes https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/issues/48

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