Bump org.junit:junit-bom from 5.13.2 to 5.13.4 in /devtools/gradle #1156

Job	Run time
Configure jobs	14s
CI Sanity Check	34s
Attach pull request number	4s
Initial JDK 17 Build	12m 40s
Calculate Test Jobs	14s
Gradle Tests - JDK 17 Windows	1h 5m 15s
Gradle Tests - JDK 17	43m 15s
JVM Tests - JDK 17 Windows	12m 17s
Native Tests - Build tools and DevTools	19m 14s
JVM Tests - JDK 17	9m 12s
JVM Tests - JDK 21	9m 1s
Quickstarts Compilation - JDK 17	7m 35s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
MicroProfile TCKs Tests	0s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
Platform Tests - JDK ${{ matrix.java.name }}	0s
Maven Tests - JDK ${{ matrix.java.name }}	0s
Upload build stats to collector	-1s
Build report	27s
	3h 0m 1s

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