chore: update rust version

[meskill]

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

Attention: Patch coverage is 54.54545% with 5 lines in your changes missing coverage. Please review.

Project coverage is 86.94%. Comparing base (d63b288) to head (088a416).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/core/json/borrow.rs	0.00%	3 Missing ⚠️
src/cli/fmt.rs	0.00%	1 Missing ⚠️
src/core/grpc/request_template.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3043      +/-   ##
==========================================
- Coverage   87.05%   86.94%   -0.12%     
==========================================
  Files         280      280              
  Lines       27478    27291     -187     
==========================================
- Hits        23921    23727     -194     
- Misses       3557     3564       +7     

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[github-actions]

Bencher Report

Branch	3043/merge
Testbed	benchmarking-runner

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• Latency

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Benchmark	Latency	nanoseconds (ns)
from_json_bench	📈 view plot ⚠️ NO THRESHOLD	6,095,200.00
group_by	📈 view plot ⚠️ NO THRESHOLD	487.04
input/args.missing	📈 view plot ⚠️ NO THRESHOLD	22.98
input/args.nested.existing	📈 view plot ⚠️ NO THRESHOLD	41.07
input/args.nested.missing	📈 view plot ⚠️ NO THRESHOLD	36.02
input/args.root	📈 view plot ⚠️ NO THRESHOLD	38.07
input/headers.existing	📈 view plot ⚠️ NO THRESHOLD	32.70
input/headers.missing	📈 view plot ⚠️ NO THRESHOLD	33.75
input/value.missing	📈 view plot ⚠️ NO THRESHOLD	22.59
input/value.nested.existing	📈 view plot ⚠️ NO THRESHOLD	42.21
input/value.nested.missing	📈 view plot ⚠️ NO THRESHOLD	35.73
input/value.root	📈 view plot ⚠️ NO THRESHOLD	41.69
input/vars.existing	📈 view plot ⚠️ NO THRESHOLD	8.34
input/vars.missing	📈 view plot ⚠️ NO THRESHOLD	11.19
synth_nested	📈 view plot ⚠️ NO THRESHOLD	94,749.00
synth_nested_borrow	📈 view plot ⚠️ NO THRESHOLD	42,152.00
test_batched_body	📈 view plot ⚠️ NO THRESHOLD	1,881.90
test_batched_body #2	📈 view plot ⚠️ NO THRESHOLD	1,505,700.00
test_data_loader	📈 view plot ⚠️ NO THRESHOLD	389,500.00
test_handle_request	📈 view plot ⚠️ NO THRESHOLD	127,630.00
test_handle_request_jit	📈 view plot ⚠️ NO THRESHOLD	61,256.00
test_http_execute_method	📈 view plot ⚠️ NO THRESHOLD	14,998.00
with_mustache_expressions	📈 view plot ⚠️ NO THRESHOLD	1,085.90
with_mustache_literal	📈 view plot ⚠️ NO THRESHOLD	699.17

🐰 View full continuous benchmarking report in Bencher