Add OidcTestClient #33551

Job	Run time
Attach pull request number	5s
CI Sanity Check	33s
Initial JDK 11 Build	21m 15s
Calculate Test Jobs	12s
JVM Tests - JDK 11	3m 48s
JVM Tests - JDK 17	4m 50s
JVM Tests - JDK 20	4m 27s
Maven Tests - JDK ${{ matrix.java.name }}	0s
JVM Tests - JDK 17 Windows	4m 28s
Gradle Tests - JDK ${{ matrix.java.name }}	0s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Quickstarts Compilation - JDK 17	8m 11s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
MicroProfile TCKs Tests	0s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
Native Tests - Security2	7m 27s
Build report	21s
	55m 37s

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