chore(nns): Add a comment on MAX_NEURONS_FUND_PARTICIPANTS about its … #652

Job	Run time
Bazel System Test Staging	17m 30s
Dependency Scan for Release	3m 34s
Bazel System Test Nightly	35m 44s
Bazel System Test Hotfix	23m 11s
Setting up guest os qualification pipeline	7s
CI Main / Bazel Test All	19m 17s
CI Main / Bazel Build Fuzzers	2m 13s
CI Main / Bazel Build Fuzzers AFL	2m 15s
CI Main / Bazel Test macOS Intel	21m 44s
CI Main / Bazel Build All Config Check	0s
CI Main / Build IC	16m 48s
CI Main / Cargo Clippy Linux	22s
CI Main / Python CI Tests	2m 50s
CI Main / Cargo Build Release Linux	25s
Qualifying aa705aaa621c2e0d4f146f3a1de801edcb0fa0d5 -> 16ee8b23a6af62a6ccbe9fbb37dfb8a0743be8bf	1h 33m 13s
CI Main / Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	34s
CI Main / Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	43s
CI Main / Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	35s
CI Main / Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	41s
CI Main / Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	32s
	4h 2m 18s

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