Re-add sync.map and optimise

[soujanyanmbri]

Thank you for contributing to Coraza WAF, your effort is greatly appreciated
Before submitting check if what you want to add to coraza list meets quality standards before sending pull request. Thanks!

Make sure that you've checked the boxes below before you submit PR:

• My code includes positive and negative tests.
• I have an appropriate description with correct grammar.
• I have read Contribution guidelines, maintainers note and Quality standard.
• My code is properly linted and passes pre-commit tests.

Thanks for your contribution ❤️

[soujanyanmbri]

Benchmarks:

BEFORE:
Running tool: /usr/local/go/bin/go test -benchmem -run=^$ -bench ^BenchmarkAddTransformationUnique$ github.com/corazawaf/coraza/v3/internal/corazawaf

goos: darwin
goarch: amd64
pkg: github.com/corazawaf/coraza/v3/internal/corazawaf
cpu: VirtualApple @ 2.50GHz
BenchmarkAddTransformationUnique-10    	  126936	    138391 ns/op	  619809 B/op	       4 allocs/op
PASS
ok  	github.com/corazawaf/coraza/v3/internal/corazawaf	19.698s
Running tool: /usr/local/go/bin/go test -benchmem -run=^$ -bench ^BenchmarkAddTransformationUnique$ github.com/corazawaf/coraza/v3/internal/corazawaf

AFTER:
goos: darwin
goarch: amd64
pkg: github.com/corazawaf/coraza/v3/internal/corazawaf
cpu: VirtualApple @ 2.50GHz
BenchmarkAddTransformationUnique-10    	 5864598	       330.3 ns/op	     240 B/op	       5 allocs/op
PASS
ok  	github.com/corazawaf/coraza/v3/internal/corazawaf	6.652s

This also takes care of concurrancy issues from here - #1197

CC: @piyushroshan @fzipi

[codecov]

Codecov Report

Attention: Patch coverage is 61.38614% with 39 lines in your changes missing coverage. Please review.

Project coverage is 81.62%. Comparing base (20f16ee) to head (3d5412c).

Files with missing lines	Patch %	Lines
internal/variables/variablesmap.gen.go	50.00%	26 Missing ⚠️
internal/corazawaf/transaction.go	8.33%	11 Missing ⚠️
internal/collections/named.go	93.10%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1290      +/-   ##
==========================================
- Coverage   81.76%   81.62%   -0.14%     
==========================================
  Files         169      169              
  Lines        9770     9849      +79     
==========================================
+ Hits         7988     8039      +51     
- Misses       1533     1561      +28     
  Partials      249      249              

Flag	Coverage Δ
coraza.rule.case_sensitive_args_keys	81.58% <61.38%> (-0.14%)	⬇️
coraza.rule.multiphase_valuation	81.62% <61.38%> (-0.14%)	⬇️
coraza.rule.no_regex_multiline	81.56% <61.38%> (-0.14%)	⬇️
default	81.62% <61.38%> (-0.14%)	⬇️
examples+	16.34% <1.98%> (-0.20%)	⬇️
examples+coraza.rule.case_sensitive_args_keys	81.58% <61.38%> (-0.14%)	⬇️
examples+coraza.rule.multiphase_valuation	81.45% <61.38%> (-0.14%)	⬇️
examples+coraza.rule.no_regex_multiline	81.48% <61.38%> (-0.14%)	⬇️
examples+memoize_builders	81.58% <61.38%> (-0.14%)	⬇️
examples+no_fs_access	80.91% <61.38%> (-0.14%)	⬇️
ftw	81.62% <61.38%> (-0.14%)	⬇️
memoize_builders	81.71% <61.38%> (-0.14%)	⬇️
no_fs_access	81.07% <61.38%> (-0.14%)	⬇️
tinygo	81.59% <61.38%> (-0.14%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.