Add allow_ddm_traffic to port config in CRDB - #11117

control: job assigned to worker 01M0G2DE5GE470KMYFVMH0MW6J [factory aws, i-0261f3c0f6f7cb77a] (queued for 50 s)
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task: starting task 0: "setup"
task: process exited: duration 4110 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 18190 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 12667 ms, exit code 0
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task: starting task 4: "build"
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| info: running `cargo check --bins` on zone-setup (337/337)
| warning: profile package spec `blake2b_simd` in profile `dev` did not match any packages
| warning: profile package spec `rust-argon2` in profile `dev` did not match any packages
|     Checking uzers v0.12.2
|     Checking zone-setup v0.1.0 (/work/oxidecomputer/omicron/zone-setup)
|     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
| 
| real    14:12.149307562
| user    21:32.281429993
| sys      4:25.984045765
| trap        0.338287627
| tflt        0.632663311
| dflt        0.845751582
| kflt        0.004881463
| lock  1:28:03.364754877
| slp   1:42:09.393218791
| lat        58.739017961
| stop     4:07.622687382
task: process exited: duration 984637 ms, exit code 0
|W| found 0 output files