feat: account serialization overhaul #9626

Job	Run time
Backward Compatibility	10m 59s
Database Migration	11m 50s
Cargo Nextest (Linux)	12m 57s
Genesis Changes	9m 42s
Cargo Nextest (Linux Nightly)	12m 2s
Sanity Checks	6m 1s
Style	40s
Upgradability	12m 9s
Cargo Audit	21s
Cargo Deny	32s
Cargo Clippy	7m 36s
Cargo Fmt	19s
Non-default Configuration Builds	1m 20s
Themis	38s
Unused Dependencies	7m 0s
Rust Doctests	11m 7s
Protocol Schema	13m 27s
spellcheck	27s
Protobuf Backward Compatibility	11s
Cargo check publishable packages separately (Linux, linux, ubuntu-latest)	9m 17s
Cargo check publishable packages separately (Windows, win, windows-latest)	2m 25s
Generate Coverage Artifact	0s
Upload Coverage	0s
	2h 11m 0s

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