Add allow_ddm_traffic to port config in CRDB - #11117

control: job assigned to worker 01M0G2DHS12H6NZXZJ4GEB8RBT [factory aws, i-04e48c223f3e188c2] (queued for 2 m 3 s)
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task: starting task 0: "setup"
task: process exited: duration 98 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 16144 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 20 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 13174 ms, exit code 0
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task: starting task 4: "build"
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| a out/probe.tar.gz 3037K
| a out/propolis-server.tar.gz 34642K
| a out/pumpkind-gz.tar 26647K
| a out/switch-softnpu.tar.gz 503786K
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| real     1:29.738467233
| user     1:26.740410441
| sys         5.040724890
| trap        0.006445674
| tflt        0.000000000
| dflt        0.000000000
| kflt        0.000000000
| lock        0.000000000
| slp      1:26.591371278
| lat         1.093573964
| stop        0.000165450
task: process exited: duration 1074526 ms, exit code 0
|W| found 1 output files
|W| uploading: /work/package.tar.gz (2781024862 bytes)
|W| uploaded: /work/package.tar.gz