ci: upgrade JDK version in jitpack.yml (#134) #423

Job	Run time
Test UI (29, default)	7m 56s
Test Unit	2m 35s
Test Benchmark (29, default)	11m 22s
Test UI Minified (29, default)	7m 39s
Build (target:34 compile:34 appcompat: 1.6.1)	2m 22s
Sonar	2m 27s
Diffuse report	0s
Build (target:33 compile:33 appcompat: 1.5.1)	2m 42s
Build (target:32 compile:32 appcompat: 1.4.2)	2m 18s
Build (target:30 compile:32 appcompat: 1.3.1)	2m 18s
Build (target:30 compile:30 appcompat: 1.3.1)	2m 28s
	44m 7s

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