refactor: Use bitflag for node state

[CathalMullan]

• chore: Update dependencies
• refactor: Use bitflag for node state

[codecov]

Codecov Report

❌ Patch coverage is 96.93878% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/node/delete.rs	83.33%	0 Missing and 2 partials ⚠️
src/parser.rs	93.75%	1 Missing ⚠️

Files with missing lines	Coverage Δ
src/node.rs	100.00% <100.00%> (ø)
src/node/find.rs	92.00% <100.00%> (ø)
src/node/flags.rs	100.00% <100.00%> (ø)
src/node/insert.rs	100.00% <100.00%> (ø)
src/node/optimize.rs	100.00% <100.00%> (ø)
src/node/search.rs	95.33% <100.00%> (ø)
src/router.rs	87.32% <100.00%> (ø)
src/state.rs	100.00% <100.00%> (ø)
src/parser.rs	98.12% <93.75%> (+0.03%)	⬆️
src/node/delete.rs	93.40% <83.33%> (+0.14%)	⬆️

[codspeed-hq]

Merging this PR will degrade performance by 11.09%

⚡ 11 improved benchmarks
❌ 32 (👁 32) regressed benchmarks
✅ 145 untouched benchmarks

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Memory	gitlab_insert	2.5 MB	2.4 MB	+4.43%
⚡	Simulation	gitlab_delete	7.4 ms	6.8 ms	+8.37%
👁	Simulation	dynamic_inline[100]	70.1 µs	73.1 µs	-4.14%
⚡	Simulation	dynamic_inline[1]	1.9 µs	1.8 µs	+4.85%
👁	Simulation	dynamic_inline[1000]	665.8 µs	691.2 µs	-3.67%
👁	Simulation	wildcard_anchored[1000]	3.2 µs	3.4 µs	-4.33%
👁	Simulation	wildcard_anchored[10]	3.2 µs	3.3 µs	-3.55%
👁	Simulation	wildcard_anchored[100]	3.2 µs	3.3 µs	-4.36%
⚡	Simulation	dynamic_inline[10]	12 µs	10.9 µs	+10.39%
👁	Simulation	dynamic_depth[1000]	1.7 µs	1.8 µs	-4.85%
👁	Simulation	dynamic_depth[10]	1.7 µs	1.7 µs	-3.34%
👁	Simulation	dynamic_competing[10]	2.1 µs	2.2 µs	-4.14%
⚡	Simulation	wildcard_anchored[1]	520.3 ns	432.8 ns	+20.22%
👁	Simulation	wildcard_backtrack[1000]	1.5 µs	1.6 µs	-9.08%
👁	Simulation	wildcard_depth[100]	1.5 µs	1.6 µs	-5.67%
👁	Simulation	wildcard_backtrack[100]	1.5 µs	1.6 µs	-7.4%
⚡	Simulation	wildcard_chain[10]	12.6 µs	11.8 µs	+7.03%
👁	Simulation	wildcard_endings[1000]	1.7 µs	1.7 µs	-3.37%
👁	Simulation	wildcard_depth[1000]	1.5 µs	1.6 µs	-5.67%
👁	Simulation	wildcard_depth[10]	1.4 µs	1.6 µs	-9.42%
...	...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

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_{Comparing bitflag (a86fd59) with main (0780318)}