test: enable parallel E2E tests, update ginkgo to 1.5

[jackfrancis]

Reason for Change:

This PR introduces a configurable option to run ginkgo E2E tests in parallel (currently not working as-is). Also we update ginkgo to the latest minor version.

Issue Fixed:

Credit Where Due:

Does this change contain code from or inspired by another project?

• No
• Yes

If "Yes," did you notify that project's maintainers and provide attribution?

• No
• Yes

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis

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• OWNERS [jackfrancis]

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[codecov]

Codecov Report

Merging #4290 (25419ff) into master (a9e0e3b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4290   +/-   ##
=======================================
  Coverage   72.03%   72.03%           
=======================================
  Files         141      141           
  Lines       21633    21633           
=======================================
  Hits        15584    15584           
  Misses       5099     5099           
  Partials      950      950           

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