Add core24 to the workflow matrix #10

Job	Run time
generate-matrix	1s
Build PR (linux/amd64, core, xenial, false)	1m 28s
Build PR (linux/arm/v7, core, xenial, false)	5m 6s
Build PR (linux/arm64, core, xenial, false)	5m 1s
Build PR (linux/amd64, core18, bionic, false)	1m 36s
Build PR (linux/arm/v7, core18, bionic, false)	5m 28s
Build PR (linux/arm64, core18, bionic, false)	5m 18s
Build PR (linux/amd64, core20, focal, false)	1m 35s
Build PR (linux/arm/v7, core20, focal, false)	5m 18s
Build PR (linux/arm64, core20, focal, false)	5m 17s
Build PR (linux/amd64, core22, jammy, false)	1m 30s
Build PR (linux/arm/v7, core22, jammy, false)	5m 14s
Build PR (linux/arm64, core22, jammy, false)	1m 34s
Build PR (linux/amd64, core24, noble, false)	1m 31s
Build PR (linux/arm/v7, core24, noble, false)	5m 32s
Build PR (linux/arm64, core24, noble, false)	12m 40s
Test Build Snap with Docker	0s
Test Failures with Docker (expected)	0s
Test Set Channel with Docker	0s
	1h 4m 9s

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