[release] Prepare release v1.12.3

[jolestar]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Other information

[codecov]

Codecov Report

Merging #3692 (9c2aecf) into master (8719732) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3692      +/-   ##
==========================================
- Coverage   28.34%   28.33%   -0.00%     
==========================================
  Files         588      588              
  Lines       50412    50412              
  Branches    23657    23644      -13     
==========================================
- Hits        14283    14278       -5     
+ Misses      22207    22169      -38     
- Partials    13922    13965      +43     

Flag	Coverage Δ
unittests	28.33% <ø> (-<0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
vm/transaction-builder/src/lib.rs	16.63% <0.00%> (-7.57%)	⬇️
vm/natives/src/vector.rs	12.50% <0.00%> (-4.16%)	⬇️
storage/src/cache_storage/mod.rs	38.28% <0.00%> (-2.46%)	⬇️
config/src/rpc_config.rs	42.60% <0.00%> (-2.16%)	⬇️
...s/forkable-jellyfish-merkle/src/mock_tree_store.rs	27.59% <0.00%> (-1.72%)	⬇️
vm/types/src/token/stc.rs	63.24% <0.00%> (-1.47%)	⬇️
network-p2p/src/protocol.rs	42.71% <0.00%> (-1.38%)	⬇️
...ns/forkable-jellyfish-merkle/src/tree_cache/mod.rs	70.24% <0.00%> (-1.19%)	⬇️
storage/src/metrics.rs	50.59% <0.00%> (-1.17%)	⬇️
consensus/src/difficulty.rs	41.18% <0.00%> (-1.17%)	⬇️
... and 42 more

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[github-actions]

Benchmark for 6eb48f9

Click to view benchmark

Test	Base	PR	%
accumulator_append	604.8±16.70µs	601.1±28.47µs	-0.61%
block_apply/block_apply_10	629.3±1.50ms	629.7±1.15ms	+0.06%
block_apply/block_apply_1000	64.2±0.04s	64.7±0.36s	+0.78%
get_with_proof/db_store	36.1±0.62µs	35.9±0.30µs	-0.55%
get_with_proof/mem_store	31.4±0.30µs	31.4±0.18µs	0.00%
put_and_commit/db_store/1	94.8±4.55µs	97.2±5.13µs	+2.53%
put_and_commit/db_store/10	843.9±38.28µs	851.4±40.37µs	+0.89%
put_and_commit/db_store/100	7.3±0.28ms	7.3±0.31ms	0.00%
put_and_commit/db_store/5	435.2±19.83µs	433.8±20.72µs	-0.32%
put_and_commit/db_store/50	3.8±0.16ms	3.8±0.16ms	0.00%
put_and_commit/mem_store/1	61.5±5.64µs	61.4±5.63µs	-0.16%
put_and_commit/mem_store/10	574.1±46.70µs	575.8±47.25µs	+0.30%
put_and_commit/mem_store/100	5.6±0.82ms	5.6±0.82ms	0.00%
put_and_commit/mem_store/5	290.9±25.39µs	292.3±25.50µs	+0.48%
put_and_commit/mem_store/50	2.8±0.19ms	2.9±0.20ms	+3.57%
query_block/query_block_in(10)_times(100)	5.5±0.30ms	5.4±0.13ms	-1.82%
query_block/query_block_in(10)_times(1000)	53.6±2.14ms	54.8±1.49ms	+2.24%
query_block/query_block_in(10)_times(10000)	538.6±17.35ms	543.6±13.30ms	+0.93%
query_block/query_block_in(1000)_times(100)	992.3±7.14µs	1012.5±9.41µs	+2.04%
query_block/query_block_in(1000)_times(1000)	10.0±0.08ms	10.1±0.17ms	+1.00%
query_block/query_block_in(1000)_times(10000)	100.0±1.75ms	101.4±1.01ms	+1.40%
storage_transaction	1102.8±328.08µs	1090.3±337.32µs	-1.13%
vm/transaction_execution/1	706.4±1.10ms	708.2±1.01ms	+0.25%
vm/transaction_execution/10	176.1±0.44ms	177.2±1.58ms	+0.62%
vm/transaction_execution/20	152.9±2.12ms	152.8±1.11ms	-0.07%
vm/transaction_execution/5	232.9±1.01ms	233.5±0.57ms	+0.26%
vm/transaction_execution/50	167.5±3.63ms	166.6±0.73ms	-0.54%