Bump org.jetbrains.kotlin:kotlin-gradle-plugin-api from 2.0.21 to 2.1.0 in /devtools/gradle #3135

Job	Run time
Initial JDK 17 Build	12m 7s
CI Sanity Check	31s
Attach pull request number	2s
Calculate Test Jobs	9s
JVM Tests - JDK 17	11m 52s
JVM Tests - JDK 21	12m 32s
JVM Tests - JDK 17 Windows	14m 4s
Gradle Tests - JDK 17	35m 50s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Maven Tests - JDK ${{ matrix.java.name }}	0s
Quickstarts Compilation - JDK 17	6m 48s
Gradle Tests - JDK 17 Windows	56m 2s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
Native Tests - Misc4	18m 29s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
MicroProfile TCKs Tests	0s
Upload build stats to collector	0s
Build report	35s
	2h 49m 1s

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