Prepare release v1.12.6

[yourmoonlight]

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 #3797 (877a010) into master (61d76f0) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #3797      +/-   ##
==========================================
- Coverage   53.65%   53.65%   -0.00%     
==========================================
  Files         594      594              
  Lines       64148    64163      +15     
==========================================
+ Hits        34414    34419       +5     
- Misses      29734    29744      +10     

Flag	Coverage Δ
unittests	53.65% <0.00%> (-<0.01%)	⬇️

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

Impacted Files	Coverage Δ
test-helper/src/executor.rs	42.98% <0.00%> (-1.71%)	⬇️
vm/stdlib/src/lib.rs	46.81% <0.00%> (-1.01%)	⬇️
vm/transaction-builder/src/lib.rs	32.53% <ø> (ø)
account/service/src/account_events.rs	74.51% <0.00%> (-7.84%)	⬇️
...mons/forkable-jellyfish-merkle/src/iterator/mod.rs	69.79% <0.00%> (-7.55%)	⬇️
storage/src/transaction_info/mod.rs	78.58% <0.00%> (-3.57%)	⬇️
commons/service-registry/src/service_actor.rs	71.91% <0.00%> (-2.47%)	⬇️
sync/src/tasks/accumulator_sync_task.rs	96.16% <0.00%> (-1.28%)	⬇️
sync/src/tasks/block_sync_task.rs	90.63% <0.00%> (-0.89%)	⬇️
commons/service-registry/src/service_ref.rs	62.76% <0.00%> (-0.68%)	⬇️
... and 11 more

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[github-actions]

Benchmark for 37124c6

Click to view benchmark

Test	Base	PR	%
accumulator_append	608.9±29.09µs	610.0±29.78µs	+0.18%
block_apply/block_apply_10	816.1±1.86ms	815.7±1.29ms	-0.05%
block_apply/block_apply_1000	83.1±0.12s	82.7±0.07s	-0.48%
get_with_proof/db_store	36.9±0.28µs	36.4±0.43µs	-1.36%
get_with_proof/mem_store	31.5±0.21µs	31.6±0.36µs	+0.32%
put_and_commit/db_store/1	96.5±4.93µs	96.5±5.03µs	0.00%
put_and_commit/db_store/10	859.5±39.53µs	867.8±38.96µs	+0.97%
put_and_commit/db_store/100	7.4±0.31ms	7.4±0.27ms	0.00%
put_and_commit/db_store/5	440.4±23.73µs	441.0±23.57µs	+0.14%
put_and_commit/db_store/50	3.8±0.16ms	3.8±0.17ms	0.00%
put_and_commit/mem_store/1	62.2±5.68µs	61.8±5.67µs	-0.64%
put_and_commit/mem_store/10	577.5±46.97µs	577.5±47.75µs	0.00%
put_and_commit/mem_store/100	5.7±0.83ms	5.7±0.82ms	0.00%
put_and_commit/mem_store/5	291.1±24.63µs	291.9±24.49µs	+0.27%
put_and_commit/mem_store/50	2.8±0.19ms	2.8±0.19ms	0.00%
query_block/query_block_in(10)_times(100)	7.0±0.28ms	6.9±0.20ms	-1.43%
query_block/query_block_in(10)_times(1000)	69.2±1.99ms	67.4±3.69ms	-2.60%
query_block/query_block_in(10)_times(10000)	695.6±13.75ms	684.6±17.64ms	-1.58%
query_block/query_block_in(1000)_times(100)	995.6±10.91µs	996.4±14.58µs	+0.08%
query_block/query_block_in(1000)_times(1000)	9.9±0.14ms	10.0±0.12ms	+1.01%
query_block/query_block_in(1000)_times(10000)	100.5±1.83ms	99.5±1.31ms	-1.00%
storage_transaction	1091.0±333.49µs	1071.3±278.57µs	-1.81%
vm/transaction_execution/1	931.5±3.53ms	931.2±8.85ms	-0.03%
vm/transaction_execution/10	234.5±1.59ms	233.6±0.43ms	-0.38%
vm/transaction_execution/20	201.8±1.22ms	200.7±0.42ms	-0.55%
vm/transaction_execution/5	308.9±0.90ms	308.2±0.57ms	-0.23%
vm/transaction_execution/50	217.9±1.56ms	216.7±0.71ms	-0.55%