Bump GitHub Actions Artifacts to v4 #158

Job	Run time
Prepare	4s
Test - 1.63.0 toolchain (minimal)	3m 31s
Docs - stable toolchain (recent)	39s
Integration tests - stable toolchain (28_0)	1m 27s
Test - 1.63.0 toolchain (recent)	3m 26s
Integration tests - stable toolchain (27_1)	1m 26s
Test - stable toolchain (minimal)	53s
Verify - stable toolchain	11s
Integration tests - stable toolchain (27_0)	46s
Test - stable toolchain (recent)	1m 0s
Integration tests - stable toolchain (26_2)	1m 13s
Integration tests - stable toolchain (26_1)	46s
Integration tests - stable toolchain (26_0)	1m 4s
Integration tests - stable toolchain (25_2)	50s
Integration tests - stable toolchain (24_2)	1m 21s
Integration tests - stable toolchain (23_2)	51s
Integration tests - stable toolchain (22_1)	1m 2s
Integration tests - stable toolchain (0_21_2)	47s
Integration tests - stable toolchain (0_20_2)	50s
Integration tests - stable toolchain (0_19_1)	45s
Integration tests - stable toolchain (0_18_1)	1m 10s
Integration tests - stable toolchain (0_17_1)	1m 12s
Docs - nightly toolchain (recent)	47s
Lint - nightly toolchain (recent)	29s
Format - nightly toolchain	13s
Test - nightly toolchain (minimal)	44s
Test - nightly toolchain (recent)	54s
	28m 21s

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