Allow concurrent invocation of blocking gRPC services by removing global ordering #40052

Job	Run time
Attach pull request number	4s
CI Sanity Check	32s
Initial JDK 17 Build	11m 22s
Calculate Test Jobs	9s
Gradle Tests - JDK 17	24m 6s
JVM Tests - JDK 17	30m 39s
Gradle Tests - JDK 17 Windows	41m 28s
JVM Tests - JDK 21	46m 40s
Kubernetes Tests - JDK 17	3m 55s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
JVM Tests - JDK 17 Windows	50m 4s
Kubernetes Tests - JDK 21	3m 53s
Kubernetes Tests - JDK 17 Windows	3m 4s
Maven Tests - JDK 17	7m 22s
Native Tests - Virtual Thread - Main	3m 33s
Maven Tests - JDK 17 Windows	10m 27s
Quickstarts Compilation - JDK 17	8m 9s
Native Tests - Main	6m 52s
MicroProfile TCKs Tests	1m 46s
Native Tests - Data4	5m 22s
Native Tests - Messaging1	21m 47s
Native Tests - Messaging2	6m 21s
Native Tests - Security1	4m 9s
Native Tests - Security2	8m 37s
Native Tests - Security3	5m 19s
Native Tests - Cache	7m 12s
Native Tests - HTTP	15m 24s
Native Tests - Misc3	6m 23s
Native Tests - Misc4	39m 19s
Native Tests - gRPC	23m 8s
Build report	41s
	6h 37m 47s

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