Update EmbarkStudios/cargo-deny-action digest to a531616

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
EmbarkStudios/cargo-deny-action (changelog)	action	digest	6c8f9fa → a531616

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[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 1249 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	chunked_varbinview_opt_canonical_into[(1000, 10)]	187.4 µs	224.8 µs	-16.62%
⚡	Simulation	chunked_varbinview_canonical_into[(100, 100)]	307.8 µs	273.1 µs	+12.71%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing renovate/embarkstudios-cargo-deny-action-digest (8a63c03) with develop (2699169)}