Add database layer for assigning an IP Pool to a service - #11109

control: job assigned to worker 01M0JH514EPSVXYWC29M4VG3D9 [factory aws, i-0d3c8a81ac73b4ddb] (queued for 45 s)
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task: starting task 0: "setup"
task: process exited: duration 4093 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 17145 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 16 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 12201 ms, exit code 0
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task: starting task 4: "build"
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|  Documenting omicron-uuid-kinds v0.1.0 (/work/oxidecomputer/omicron/uuid-kinds)
|  Documenting dev-tools-common v0.1.0 (/work/oxidecomputer/omicron/dev-tools/common)
|     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7m 20s
| warning: the following packages contain code that will be rejected by a future version of  [...]
| note: to see what the problems were, use the option `--future-incompat-report`, or run `ca [...]
|    Generated /work/oxidecomputer/omicron/target/doc/api_identity/index.html and 205 other  [...]
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| real     7:21.028393846
| user    20:09.038031294
| sys      4:16.688584963
| trap        0.295325168
| tflt        0.051627276
| dflt        0.034482273
| kflt        0.000028440
| lock  6:59:03.858500722
| slp   2:27:46.333938814
| lat        34.791268467
| stop     2:12.614427709
task: process exited: duration 827223 ms, exit code 0
|W| found 0 output files