sled-agent: Move DiskManagementError to config-reconcilers (PR 1/2) - #10897

control: job assigned to worker 01KY5QPH63KH03ABY1XG0FEDPG [factory aws, i-081471dee59e8bc17] (queued for 53 s)
...
task: starting task 0: "setup"
task: process exited: duration 4123 ms, exit code 0
...
task: starting task 1: "rust-toolchain"
task: process exited: duration 18646 ms, exit code 0
...
task: starting task 2: "authentication"
task: process exited: duration 16 ms, exit code 0
...
task: starting task 3: "clone repository"
task: process exited: duration 10750 ms, exit code 0
...
task: starting task 4: "build"
...
|  Documenting oxlog v0.1.0 (/work/oxidecomputer/omicron/dev-tools/oxlog)
|  Documenting omicron-workspace-hack v0.1.0 (/work/oxidecomputer/omicron/workspace-hack)
|  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 02s
|    Generated /work/oxidecomputer/omicron/target/doc/api_identity/index.html and 202 other  [...]
| 
| real     7:02.555032926
| user    18:39.508718990
| sys      3:58.981137505
| trap        0.267983049
| tflt        0.044923833
| dflt        0.136472605
| kflt        0.000017970
| lock  6:33:37.801278699
| slp   2:22:19.240908686
| lat        31.793218977
| stop     1:43.396553629
task: process exited: duration 795584 ms, exit code 0
|W| found 0 output files