[kotlin] Update eclipse-temurin Docker tag to v23 #991

Job	Run time
Find all Bootstraps with a devcontainer spec	3s
Validate Bootstrap clojure	24s
Validate Bootstrap csharp	35s
Validate Bootstrap denojs	13s
Validate Bootstrap elixir	48s
Validate Bootstrap elm	38s
Validate Bootstrap fsharp	53s
Validate Bootstrap gleam	33s
Validate Bootstrap golang	46s
Validate Bootstrap haskell	1m 47s
Validate Bootstrap java	28s
Validate Bootstrap kotlin	32s
Validate Bootstrap nodejs	24s
Validate Bootstrap php	22s
Validate Bootstrap purescript	49s
Validate Bootstrap python	27s
Validate Bootstrap rescript	38s
Validate Bootstrap ruby	27s
Validate Bootstrap rust	29s
Validate Bootstrap scala2	42s
Validate Bootstrap scala3	44s
Validate Bootstrap typescript	43s
Validate Bootstrap zig	43s
	14m 8s

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