pageserver: move `page_service`'s `import basebackup` / `import wal` to mgmt API #23446

Job	Run time
check-permissions / check-permissions	1s
cancel-previous-e2e-tests	2s
tag	12s
check-build-tools-image / check-image	10s
trigger-custom-extensions-build-and-wait	2m 51s
build-build-tools-image / check-image / check-image	8s
build-build-tools-image / build-image	0s
build-build-tools-image / merge-images	0s
build-neon (debug)	12m 52s
build-neon (release)	11m 44s
check-codestyle-python	30s
compute-node-image-arch (v14, x64)	5m 15s
check-codestyle-rust	17m 7s
compute-node-image-arch (v14, arm64)	10m 50s
compute-node-image-arch (v15, x64)	5m 9s
compute-node-image-arch (v15, arm64)	10m 42s
compute-node-image-arch (v16, x64)	6m 9s
get-benchmarks-durations	0s
compute-node-image-arch (v16, arm64)	11m 2s
neon-image-arch (x64)	6m 46s
neon-image-arch (arm64)	12m 4s
compute-node-image (v14)	20s
compute-node-image (v15)	12s
compute-node-image (v16)	20s
vm-compute-node-image (v14)	1m 39s
vm-compute-node-image (v15)	1m 36s
vm-compute-node-image (v16)	1m 44s
neon-image	37s
test-images (x64)	10m 17s
test-images (arm64)	14m 40s
regress-tests (debug, v14)	24m 59s
regress-tests (debug, v15)	22m 10s
regress-tests (debug, v16)	29m 58s
benchmarks	0s
regress-tests (release, v14)	11m 31s
regress-tests (release, v15)	11m 26s
regress-tests (release, v16)	12m 1s
promote-images	47s
trigger-e2e-tests	0s
conclusion	1s
deploy	0s
coverage-report	0s
pin-build-tools-image	0s
promote-compatibility-data	0s
create-test-report	1m 57s
report-benchmarks-failures	0s
	4h 19m 49s

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