update to syn 2 and release

[chenyan-dfinity]

No description provided.

[github-actions]

Benchmark for f058990

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Test	Base	PR	%
Blob/&str	270.7±127.77µs	296.2±198.64µs	+9.42%
Blob/ByteBuf	199.9±40.22µs	177.9±41.63µs	-11.01%
Blob/Bytes	143.4±53.73µs	126.7±38.51µs	-11.65%
Blob/String	358.3±175.07µs	332.2±169.22µs	-7.28%
Collections/vec (text, nat)	80.7±6.43ms	79.9±7.02ms	-0.99%
Collections/vec int	36.7±2.80ms	37.8±3.00ms	+3.00%
Collections/vec int64	20.5±1.74ms	19.5±1.58ms	-4.88%
Collections/vec nat8	15.2±0.96ms	15.8±1.06ms	+3.95%
option list/1024	1497.9±123.25µs	1508.8±122.23µs	+0.73%
profiles/1024	3.1±0.29ms	3.1±0.34ms	0.00%
variant list/1024	1193.9±95.18µs	1279.3±132.74µs	+7.15%

[github-actions]

Benchmark for b342755

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Test	Base	PR	%
Blob/&str	211.5±118.37µs	216.4±119.41µs	+2.32%
Blob/ByteBuf	140.0±49.13µs	138.7±47.76µs	-0.93%
Blob/Bytes	105.2±46.89µs	105.8±46.63µs	+0.57%
Blob/String	246.3±130.60µs	251.5±130.71µs	+2.11%
Collections/vec (text, nat)	66.5±0.63ms	66.4±1.14ms	-0.15%
Collections/vec int	31.2±0.09ms	30.6±0.08ms	-1.92%
Collections/vec int64	16.2±0.19ms	16.7±0.45ms	+3.09%
Collections/vec nat8	12.6±0.05ms	12.7±0.05ms	+0.79%
option list/1024	1356.7±5.76µs	1360.2±3.85µs	+0.26%
profiles/1024	2.6±0.00ms	2.6±0.00ms	0.00%
variant list/1024	1123.3±28.36µs	1114.1±2.67µs	-0.82%

[github-actions]

Benchmark for abcdd0f

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Test	Base	PR	%
Blob/&str	253.0±116.51µs	295.3±152.52µs	+16.72%
Blob/ByteBuf	177.2±40.53µs	189.0±40.29µs	+6.66%
Blob/Bytes	124.6±40.83µs	142.5±53.64µs	+14.37%
Blob/String	313.7±146.30µs	341.6±145.54µs	+8.89%
Collections/vec (text, nat)	75.2±5.04ms	86.0±8.30ms	+14.36%
Collections/vec int	32.8±1.57ms	35.5±2.41ms	+8.23%
Collections/vec int64	17.4±0.94ms	19.6±1.09ms	+12.64%
Collections/vec nat8	13.2±0.49ms	16.3±0.98ms	+23.48%
option list/1024	1581.5±127.77µs	1637.8±131.91µs	+3.56%
profiles/1024	3.0±0.22ms	3.1±0.20ms	+3.33%
variant list/1024	1205.9±87.20µs	1284.5±88.45µs	+6.52%