pageserver: move `page_service`'s `import basebackup` / `import wal` to mgmt API #23452

Job	Run time
check-permissions / check-permissions	1s
cancel-previous-e2e-tests	2s
tag	12s
check-build-tools-image / check-image	11s
trigger-custom-extensions-build-and-wait	2m 41s
build-build-tools-image / check-image / check-image	7s
build-build-tools-image / build-image	0s
build-build-tools-image / merge-images	0s
build-neon (debug)	16m 56s
compute-node-image-arch (v14, x64)	5m 14s
build-neon (release)	15m 55s
check-codestyle-rust	16m 38s
compute-node-image-arch (v14, arm64)	10m 33s
check-codestyle-python	30s
compute-node-image-arch (v15, x64)	5m 3s
compute-node-image-arch (v15, arm64)	10m 33s
neon-image-arch (x64)	6m 38s
get-benchmarks-durations	0s
compute-node-image-arch (v16, x64)	5m 57s
neon-image-arch (arm64)	13m 0s
compute-node-image-arch (v16, arm64)	10m 43s
compute-node-image (v14)	14s
compute-node-image (v15)	13s
compute-node-image (v16)	22s
vm-compute-node-image (v14)	1m 37s
vm-compute-node-image (v15)	1m 37s
vm-compute-node-image (v16)	1m 47s
neon-image	57s
test-images (x64)	10m 44s
test-images (arm64)	14m 12s
regress-tests (debug, v14)	28m 23s
regress-tests (debug, v15)	27m 9s
regress-tests (debug, v16)	21m 31s
regress-tests (release, v14)	12m 8s
benchmarks	0s
regress-tests (release, v15)	11m 58s
regress-tests (release, v16)	11m 14s
coverage-report (debug)	5m 45s
create-test-report	1m 55s
report-benchmarks-failures	0s
promote-images	1m 20s
conclusion	1s
pin-build-tools-image	0s
deploy	0s
promote-compatibility-data	0s
trigger-e2e-tests	0s
	4h 34m 1s

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