Ipv6

[TheTeaCat]

Describe your changes

Updates the middleware to handle more of the possible formats of the http.Request RemoteAddr field.

Issue ticket number and link

https://firetail-io.atlassian.net/browse/FIRE-2763

Checklist before requesting a review

• I have resolved any merge conflicts
• I have run tests locally and they pass
• I have linted and auto-formatted the code
• If there is new or changed functionality, I have added/updated the tests
• If there is new or changed functionality, I have added/updated the documentation

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 83.21%. Comparing base (20125ed) to head (7aa4a72).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
logging/default_batch_callback.go	0.00%	3 Missing ⚠️
middlewares/http/middleware.go	40.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #40      +/-   ##
==========================================
- Coverage   84.08%   83.21%   -0.88%     
==========================================
  Files           8        8              
  Lines         553      560       +7     
==========================================
+ Hits          465      466       +1     
- Misses         75       80       +5     
- Partials       13       14       +1     

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