Merge pull request #5102 from eisenhauer/xrdcl-backend-promise-cleanup #8579

Job	Run time
git_checks	10s
format	34s
windows (win2025, serial, windows-2025, vs2026)	17m 59s
CodeQL (cpp)	34m 52s
docker (ubuntu-bionic)	7m 46s
macos (macos-15, xcode16_4, arm64, static, serial)	6m 0s
el8 (el8, oneapi, mpich)	16m 30s
windows (win2025, shared, msmpi)	20m 4s
el8 (el8, icc, mpich)	19m 57s
windows (win2025, static, serial, windows-2025, vs2026)	16m 45s
windows (win2022, shared, msmpi)	18m 14s
macos (macos-14, xcode15_4, arm64, static, serial)	6m 51s
macos (macos-14, xcode15_4, arm64, shared, serial)	8m 0s
macos (macos-15, xcode16_4, arm64, shared, serial)	8m 44s
ubuntu (ubuntu22.04, gcc9, ompi)	22m 47s
ubuntu (ubuntu22.04, gcc9, serial, static)	5m 48s
ubuntu (ubuntu22.04, clang11, ompi)	18m 41s
ubuntu (ubuntu22.04, gcc10, mpich)	15m 55s
ubuntu (ubuntu22.04, gcc9, mpich)	3m 36s
ubuntu (ubuntu22.04, rocm, serial, build_only)	3m 39s
ubuntu (ubuntu22.04, gcc11, mpich)	16m 2s
ubuntu (ubuntu22.04, gcc12, mpich, internal)	12m 30s
ubuntu (ubuntu22.04, gcc9, serial)	10m 2s
ubuntu (ubuntu22.04, clang14, mpich)	15m 23s
ubuntu (ubuntu22.04, clang11, mpich)	4m 49s
ubuntu (ubuntu22.04, clang11, serial)	9m 8s
ubuntu (ubuntu22.04, gcc11, serial, ubuntu-22.04-arm, aarch64)	12m 8s
ubuntu (ubuntu22.04, gcc12, mpich, external)	26m 36s
contract (examples)	2m 23s
contract (lammps)	3m 58s
contract (tau)	10m 19s
build_and_test	4s
	6h 16m 14s

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