Changed all single requests to use through ThreadPoolMan #1919

Job	Run time
macos12	19m 52s
macos12	19m 52s
MemoryTest (glibc_debug)	11m 50s
MemoryTest (glibc_debug)	11m 50s
MemoryTest (sanitize_address)	13m 20s
MemoryTest (sanitize_address)	13m 20s
Linux (ubuntu:24.04)	14m 24s
Linux (ubuntu:24.04)	14m 24s
MemoryTest (sanitize_others)	12m 19s
MemoryTest (sanitize_others)	12m 19s
Linux (ubuntu:22.04)	13m 41s
Linux (ubuntu:22.04)	13m 41s
MemoryTest (sanitize_thread)	1m 50s
MemoryTest (sanitize_thread)	1m 50s
Linux (ubuntu:20.04)	10m 51s
Linux (ubuntu:20.04)	10m 51s
MemoryTest (valgrind)	23m 51s
MemoryTest (valgrind)	23m 51s
Linux (debian:bookworm)	13m 44s
Linux (debian:bookworm)	13m 44s
Linux (debian:bullseye)	11m 6s
Linux (debian:bullseye)	11m 6s
Linux (rockylinux:9)	15m 8s
Linux (rockylinux:9)	15m 8s
Linux (rockylinux:8)	14m 47s
Linux (rockylinux:8)	14m 47s
Linux (fedora:40)	18m 43s
Linux (fedora:40)	18m 43s
Linux (fedora:39)	13m 45s
Linux (fedora:39)	13m 45s
Linux (opensuse/leap:15)	3m 13s
Linux (opensuse/leap:15)	13m 17s
Linux (alpine:3.20)	21m 36s
Linux (alpine:3.20)	21m 36s
Linux (centos:centos7)	38m 23s
Linux (centos:centos7)	38m 23s
	9h 14m 50s

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