docs(ci): update setup action to state correct jdk version #107

Job	Run time
Build Magisk artifacts	23m 11s
Test building on windows-latest	13m 54s
Test building on ubuntu-latest	8m 31s
Test aosp_cf_x86_64_phone	6m 15s
Test API 23 (x86)	2m 34s
Test aosp_cf_x86_64_phone_pgagnostic	14s
Test API 23 (x86_64)	3m 19s
Test API 24 (x86)	1m 54s
Test API 24 (x86_64)	2m 47s
Test API 25 (x86)	2m 1s
Test API 25 (x86_64)	2m 50s
Test API 26 (x86)	2m 56s
Test API 26 (x86_64)	3m 3s
Test API 27 (x86)	3m 20s
Test API 27 (x86_64)	3m 31s
Test API 28 (x86)	3m 33s
Test API 29 (x86)	2m 59s
Test API 28 (x86_64)	4m 19s
Test API 30 (x86)	5m 20s
Test API 29 (x86_64)	3m 25s
Test API 30 (x86_64)	3m 39s
Test API 31 (x86_64)	3m 44s
Test API 32 (x86_64)	4m 1s
Test API 33 (x86_64)	3m 55s
Test API 34 (x86_64)	3m 56s
Test API 35 (x86_64)	4m 21s
	2h 3m 32s

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