chore: add dedupe benchmark

[laststylebender14]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• I ran cargo test successfully.
• I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• I have added relevant unit & integration tests.
• I have updated the documentation accordingly.
• I have performed a self-review of my code.
• PR follows the naming convention of <type>(<optional scope>): <title>

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.20%. Comparing base (a889fd8) to head (851de40).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3071   +/-   ##
=======================================
  Coverage   87.19%   87.20%           
=======================================
  Files         277      277           
  Lines       27473    27473           
=======================================
+ Hits        23956    23957    +1     
+ Misses       3517     3516    -1     

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[github-actions]

Bencher Report

Branch	3071/merge
Testbed	benchmarking-runner

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• Latency

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Benchmark	Latency	nanoseconds (ns)
dedupe concurrent access with thread pool	📈 view plot ⚠️ NO THRESHOLD	1,972,100.00
from_json_bench	📈 view plot ⚠️ NO THRESHOLD	6,428,900.00
group_by	📈 view plot ⚠️ NO THRESHOLD	482.61
input/args.missing	📈 view plot ⚠️ NO THRESHOLD	22.99
input/args.nested.existing	📈 view plot ⚠️ NO THRESHOLD	41.82
input/args.nested.missing	📈 view plot ⚠️ NO THRESHOLD	34.82
input/args.root	📈 view plot ⚠️ NO THRESHOLD	37.42
input/headers.existing	📈 view plot ⚠️ NO THRESHOLD	30.67
input/headers.missing	📈 view plot ⚠️ NO THRESHOLD	29.51
input/value.missing	📈 view plot ⚠️ NO THRESHOLD	23.43
input/value.nested.existing	📈 view plot ⚠️ NO THRESHOLD	43.73
input/value.nested.missing	📈 view plot ⚠️ NO THRESHOLD	36.81
input/value.root	📈 view plot ⚠️ NO THRESHOLD	41.21
input/vars.existing	📈 view plot ⚠️ NO THRESHOLD	8.39
input/vars.missing	📈 view plot ⚠️ NO THRESHOLD	8.38
synth_nested	📈 view plot ⚠️ NO THRESHOLD	101,360.00
synth_nested_borrow	📈 view plot ⚠️ NO THRESHOLD	45,705.00
test_batched_body	📈 view plot ⚠️ NO THRESHOLD	1,937.30
test_batched_body #2	📈 view plot ⚠️ NO THRESHOLD	1,481,600.00
test_data_loader	📈 view plot ⚠️ NO THRESHOLD	396,560.00
test_handle_request	📈 view plot ⚠️ NO THRESHOLD	18,825,000.00
test_handle_request_jit	📈 view plot ⚠️ NO THRESHOLD	20,046,000.00
test_http_execute_method	📈 view plot ⚠️ NO THRESHOLD	15,251.00
with_mustache_expressions	📈 view plot ⚠️ NO THRESHOLD	1,156.40
with_mustache_literal	📈 view plot ⚠️ NO THRESHOLD	739.30

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