chore: expose JIT executor via the request_handler

[varshith257]

Issue Reference(s):
Fixes #2325 /claim #2325 /split @ssddOnTop 60%

Build & Testing:

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

Checklist:

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

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 15.06849% with 62 lines in your changes missing coverage. Please review.

Project coverage is 85.79%. Comparing base (b55acbf) to head (d660eb6).

Files	Patch %	Lines
src/core/jit/graphql_executor.rs	0.00%	20 Missing :warning:
src/core/jit/request.rs	0.00%	19 Missing :warning:
src/core/jit/response.rs	0.00%	12 Missing :warning:
src/core/jit/error.rs	0.00%	10 Missing :warning:
src/core/http/request_handler.rs	85.71%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2328 +/- ## ========================================== - Coverage 86.02% 85.79% -0.24% ========================================== Files 234 236 +2 Lines 22407 22471 +64 ========================================== + Hits 19276 19279 +3 - Misses 3131 3192 +61 ```

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[varshith257]

@tusharmath ready for review!

[github-actions[bot]]

Bencher

Report	Fri, July 5, 2024 at 12:23:12 UTC
Project	tailcall
Branch	2328/merge
Testbed	benchmarking-runner

🚨 2 ALERTS: Threshold Boundary Limits exceeded!

Benchmark	Measure (units)	View	Value	Lower Boundary	Upper Boundary
test_handle_request	Latency (nanoseconds (ns))	🚨 (view plot | view alert)	345,220.00 (+120.68%)		189,495.62 (182.18%)
with_mustache_literal	Latency (nanoseconds (ns))	🚨 (view plot | view alert)	797.45 (+10.39%)		779.59 (102.29%)

Click to view all benchmark results

Benchmark	Latency	Latency Results nanoseconds (ns) | (Δ%)	Latency Upper Boundary nanoseconds (ns) | (%)
from_json_bench	✅ (view plot)	6,125,000.00 (-12.50%)	7,715,431.49 (79.39%)
group_by	✅ (view plot)	495.74 (-11.28%)	628.93 (78.82%)
input/args.missing	✅ (view plot)	25.52 (+5.68%)	27.58 (92.56%)
input/args.nested.existing	✅ (view plot)	54.72 (+15.02%)	61.51 (88.95%)
input/args.nested.missing	✅ (view plot)	38.34 (+0.74%)	40.86 (93.84%)
input/args.root	✅ (view plot)	51.28 (+16.68%)	58.54 (87.59%)
input/headers.existing	✅ (view plot)	30.53 (-3.45%)	33.94 (89.97%)
input/headers.missing	✅ (view plot)	29.14 (-5.08%)	33.74 (86.37%)
input/value.missing	✅ (view plot)	23.39 (-0.15%)	24.97 (93.65%)
input/value.nested.existing	✅ (view plot)	41.85 (+0.58%)	45.11 (92.77%)
input/value.nested.missing	✅ (view plot)	37.38 (+1.64%)	38.65 (96.71%)
input/value.root	✅ (view plot)	37.22 (-1.96%)	41.47 (89.76%)
input/vars.existing	✅ (view plot)	7.47 (-3.37%)	9.00 (82.95%)
input/vars.missing	✅ (view plot)	7.84 (-21.93%)	13.41 (58.44%)
synth_nested	✅ (view plot)	14,479.00 (-21.17%)	25,229.54 (57.39%)
test_batched_body	✅ (view plot)	2,078.80 (-98.64%)	1,165,326.85 (0.18%)
test_batched_body #2	✅ (view plot)	1,609,300.00 (-5.17%)	1,821,037.63 (88.37%)
test_data_loader	✅ (view plot)	385,430.00 (-16.76%)	512,706.72 (75.18%)
test_handle_request	🚨 (view plot | view alert)	345,220.00 (+120.68%)	189,495.62 (182.18%)
test_handle_request_jit	✅ (view plot)	231,900.00
test_http_execute_method	✅ (view plot)	14,582.00 (-18.16%)	20,328.43 (71.73%)
with_mustache_expressions	✅ (view plot)	1,153.70 (-0.85%)	1,233.17 (93.56%)
with_mustache_literal	🚨 (view plot | view alert)	797.45 (+10.39%)	779.59 (102.29%)

Bencher - Continuous Benchmarking
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[tusharmath]

Moving to draft to reduce noise and improve CI efficiency. Once you are ready just mark it as "ready to review". Feel free to give a shoutout on the #contributors channel on Discord if you want immediate attention.