Fix infinite loop in e2e ip generator when cidr exhausted

[snarkychef]

Issue #, if available:
Cloudstack e2e tests failing due to ip exhaustion. But instead of failing gracefully, it continues running in infinite loop until codebuild timeout of 8 hours.

Description of changes:

• Changed random ip generation to sequential generation with terminal condition on cidr end ip.

Testing (if applicable):

Documentation added/planned (if applicable):

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[codecov]

Codecov Report

❌ Patch coverage is 96.15385% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 69.68%. Comparing base (b10b5a9) to head (ec3ae81).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/eks-a-tool/cmd/uniqueip.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10536      +/-   ##
==========================================
+ Coverage   69.65%   69.68%   +0.03%     
==========================================
  Files         670      670              
  Lines       40842    40851       +9     
==========================================
+ Hits        28447    28466      +19     
+ Misses      10677    10671       -6     
+ Partials     1718     1714       -4     

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[rahulbabu95]

/lgtm

[rahulbabu95]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rahulbabu95

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[snarkychef]

/override eks-anywhere-e2e-presubmit

[eks-distro-bot]

@snarkychef: Overrode contexts on behalf of snarkychef: eks-anywhere-e2e-presubmit

Details

In response to this:

/override eks-anywhere-e2e-presubmit

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