Add allow_ddm_traffic to port config in CRDB - #11117

control: job assigned to worker 01M0G2DFE0246SJA07WSHKCK1G [factory aws, i-0fb639241a8ef9058] (queued for 53 s)
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task: starting task 0: "setup"
task: process exited: duration 4100 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 16290 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 17 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 12214 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 29s
| 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     7:29.863234994
| user    20:19.663920683
| sys      4:22.113626164
| trap        0.302997858
| tflt        0.005826252
| dflt        0.082460705
| kflt        0.000050200
| lock  7:09:43.143161330
| slp   2:31:10.748893491
| lat        34.406056925
| stop     2:08.097876959
task: process exited: duration 834538 ms, exit code 0
|W| found 0 output files