engines/io_uring: add support for async TRIM #928

Job	Run time
build-containers (debian, debian, bookworm, x86_64)	12m 53s
build (linux-gcc)	13m 58s
build-containers (fedora, fedora, 40, x86_64)	14m 18s
build (linux-clang)	12m 11s
build-containers (alma, almalinux, 9, x86_64)	14m 1s
build-containers (oracle, oraclelinux, 9, x86_64)	14m 20s
build (macos)	13m 35s
build (linux-i686-gcc)	12m 59s
build-containers (rocky, rockylinux, 9, x86_64)	14m 26s
build (android)	38s
build-containers (ubuntu, ubuntu, noble, i686)	13m 15s
build (windows-cygwin-64)	16m 31s
build-containers (ubuntu, ubuntu, noble, x86_64)	14m 20s
build (windows-cygwin-32)	16m 1s
build (windows-msys2-64)	13m 15s
build (android-recovery, ubuntu-22.04, aarch64-linux-android32)	44s
	3h 17m 25s

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