Bump com.gradle.enterprise from 3.15 to 3.15.1 in /devtools/gradle #351

Job	Run time
Attach pull request number	7s
CI Sanity Check	32s
Initial JDK 11 Build	23m 13s
Calculate Test Jobs	11s
JVM Tests - JDK 11	9m 19s
JVM Tests - JDK 17	8m 29s
Gradle Tests - JDK 11	37m 12s
Maven Tests - JDK ${{ matrix.java.name }}	0s
JVM Tests - JDK 20	8m 51s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Gradle Tests - JDK 11 Windows	1h 28m 50s
JVM Tests - JDK 17 Windows	17m 38s
Quickstarts Compilation - JDK 17	11m 1s
Native Tests - Misc4	31m 8s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
MicroProfile TCKs Tests	0s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
Build report	16s
	3h 56m 47s

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