chore(deps): bump metrics from 0.20.1 to 0.23.0 in /core #1190

Job	Run time
build_all_features	4m 17s
build_all_platforms (ubuntu-latest)	2m 0s
build_default_features (ubuntu-latest)	34s
build_default_features (macos-latest)	35s
build_all_platforms (macos-latest)	2m 22s
build_under_wasm	50s
check_clippy	3m 13s
build_all_platforms (windows-latest)	6m 11s
build_default_features (windows-latest)	2m 22s
check_docs	2m 50s
check_msrv	27s
unit	6m 2s
	31m 43s

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