fix(nns-tools): Fix forum post generator #23330

Job	Run time
Bazel Test All	2m 17s
Bazel Build All Config Check	0s
Bazel Build Fuzzers	2m 12s
Bazel Test macOS Intel	0s
Bazel Build Fuzzers AFL	2m 12s
Python CI Tests	1m 36s
Build IC	5m 17s
Cargo Build Release Linux	8s
Cargo Clippy Linux	9s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	14s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	15s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	14s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	15s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	24s
	15m 13s

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