chore(nervous-system): Update changelog for release 2026-08-07

[daniel-wong-dfinity-org-twin]

Update CHANGELOG.md for today's release.

NNS

• 143408
• 143409
• 143410

SNS

No code change.

[zeropath-ai]

✅ No security or compliance issues detected. Reviewed everything up to 63bfc4e.

Security Overview

• 🔎 Scanned files: 6 changed file(s)
• 🔗 Scan Link: https://zeropath.com/app/repositories/f975f1a5-0a47-4a3b-b7f0-a55609e90390?scanId=2258dc29-ddb7-4cad-910d-7f58c70c5ce3&codeScanTypes=PrScan&tab=issues

Detected Code Changes

Change Type

Relevant files

Change Type

► rs/nns/governance/CHANGELOG.md     Update CHANGELOG with 2026-08-07 Proposal 143410 additions ► rs/nns/governance/unreleased_changelog.md     Remove previously added items for Added section (no longer present) and reflect new additions from Proposal 143410 ► rs/nns/handlers/root/CHANGELOG.md     Update CHANGELOG with 2026-08-07 Proposal 143408 additions ► rs/nns/handlers/root/unreleased_changelog.md     Remove previously added items for Added section (no longer present) and reflect new additions from Proposal 143408 ► rs/registry/canister/CHANGELOG.md     Update CHANGELOG with 2026-08-07 Proposal 143409 additions ► rs/registry/canister/unreleased_changelog.md     Remove previously added items for Added section (no longer present) and reflect new additions from Proposal 143409 ► rs/registry/canister/unreleased_changelog.md     Remove previously added items for Changed section (no longer present) and reflect new changes from Proposal 143409