chore: extract deployment check functions to new file for ease of maintenance

[samayer12]

Description

helpers.ts is bloated and adds to maintenance overhead. By moving some deployment-related functions to a separate file we reduce the cognitive load faced by any developer working withing helpers.ts and associated tests.

End to End Test:
(See Pepr Excellent Examples)

Related Issue

Relates to #1397

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Other (security config, docs update, etc)

Checklist before merging

• Unit, Journey, E2E Tests, docs, adr added or updated as needed
• Contributor Guide Steps followed

[codecov]

Codecov Report

Attention: Patch coverage is 92.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 78.56%. Comparing base (80ca101) to head (0eb3f1e).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lib/deploymentChecks.ts	92.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1472      +/-   ##
==========================================
+ Coverage   78.55%   78.56%   +0.01%     
==========================================
  Files          36       37       +1     
  Lines        1716     1717       +1     
  Branches      386      411      +25     
==========================================
+ Hits         1348     1349       +1     
+ Misses        366      339      -27     
- Partials        2       29      +27     

Files with missing lines	Coverage Δ
src/lib/helpers.ts	98.06% <ø> (+0.85%)	⬆️
src/lib/deploymentChecks.ts	92.00% <92.00%> (ø)

... and 7 files with indirect coverage changes

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[cmwylie19]

lgtm