ci: restrict the number of E2E jobs that can run in parallel

[jeromy-cannon]

Description

This pull request changes the following:

• restrict the number of E2E jobs that can run in parallel

Related Issues

• Closes Restrict the number of E2E jobs that can run in parallel #606

[github-actions]

Unit Test Results - Linux

  1 files  ±0   40 suites  ±0   6s ⏱️ ±0s
112 tests ±0  112 ✅ ±0  0 💤 ±0  0 ❌ ±0 
124 runs  ±0  124 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 776ebe7. ± Comparison against base commit 2c39105.

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Results - Windows

  1 files  ±0   40 suites  ±0   20s ⏱️ ±0s
112 tests ±0  112 ✅ ±0  0 💤 ±0  0 ❌ ±0 
124 runs  ±0  124 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 776ebe7. ± Comparison against base commit 2c39105.

♻️ This comment has been updated with latest results.

[github-actions]

E2E Test Report

0 tests   0 ✅  0s ⏱️
0 suites  0 💤
0 files    0 ❌

Results for commit 776ebe7.

♻️ This comment has been updated with latest results.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 2c391051	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2c39105)	Report Missing	Report Missing	Report Missing
Head commit (776ebe7)	14237	9575	67.25%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#673)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

Footnotes

1. Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct. ↩

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.14%. Comparing base (65a1b53) to head (776ebe7).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #673      +/-   ##
==========================================
- Coverage   69.15%   66.14%   -3.02%     
==========================================
  Files          40       38       -2     
  Lines       14560    14237     -323     
  Branches      779      674     -105     
==========================================
- Hits        10069     9417     -652     
- Misses       4444     4761     +317     
- Partials       47       59      +12     

see 18 files with indirect coverage changes

[rbarkerSL]

LGTM but a few minor comments