Release tracking PR: `v0.19.0` #381

Job	Run time
Test - nightly toolchain (minimal)	14s
Test - 1.56.1 toolchain (minimal)	1m 50s
Test - nightly toolchain (recent)	16s
Test - stable toolchain (minimal)	15s
Test - 1.56.1 toolchain (recent)	1m 49s
Integration tests - stable toolchain (0.18.0)	53s
Test - stable toolchain (recent)	26s
Integration tests - stable toolchain (0.18.1)	1m 11s
Integration tests - stable toolchain (0.19.0.1)	56s
Integration tests - stable toolchain (0.19.1)	55s
Integration tests - stable toolchain (0.20.0)	1m 2s
Integration tests - stable toolchain (0.20.1)	57s
Integration tests - stable toolchain (0.21.0)	1m 4s
	11m 48s

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