Changed all single requests to use through ThreadPoolMan #1921

Job	Run time
macos12	19m 14s
macos12	19m 14s
MemoryTest (glibc_debug)	11m 47s
MemoryTest (glibc_debug)	11m 47s
Linux (ubuntu:24.04)	14m 24s
Linux (ubuntu:24.04)	14m 24s
MemoryTest (sanitize_address)	13m 39s
MemoryTest (sanitize_address)	13m 39s
Linux (ubuntu:22.04)	13m 48s
Linux (ubuntu:22.04)	13m 48s
MemoryTest (sanitize_others)	11m 56s
MemoryTest (sanitize_others)	11m 56s
MemoryTest (sanitize_thread)	1m 48s
MemoryTest (sanitize_thread)	1m 48s
Linux (ubuntu:20.04)	10m 37s
Linux (ubuntu:20.04)	10m 37s
Linux (debian:bookworm)	13m 19s
Linux (debian:bookworm)	13m 19s
MemoryTest (valgrind)	23m 42s
MemoryTest (valgrind)	23m 42s
Linux (debian:bullseye)	10m 44s
Linux (debian:bullseye)	10m 44s
Linux (rockylinux:9)	14m 56s
Linux (rockylinux:9)	14m 56s
Linux (rockylinux:8)	15m 8s
Linux (rockylinux:8)	15m 8s
Linux (fedora:40)	14m 5s
Linux (fedora:40)	14m 5s
Linux (fedora:39)	14m 27s
Linux (fedora:39)	14m 27s
Linux (opensuse/leap:15)	13m 30s
Linux (opensuse/leap:15)	13m 30s
Linux (alpine:3.20)	20m 31s
Linux (alpine:3.20)	20m 31s
Linux (centos:centos7)	29m 45s
Linux (centos:centos7)	39m 14s
	9h 4m 9s

Provide feedback