Merge #6161: chore: merge master 21.0.0 back into develop

98a3393 chore: set release to true (pasta)
cd0a3a6 Merge #6154: chore: remove trailing whitespaces in release notes (pasta)
6bc60a7 Merge #6151: chore: update seeds for v21 release (pasta)
88e949a Merge #6146: chore: bump assumevalid, minchainwork, checkpoints, chaintxdata (pasta)
cc14427 Merge #6144: docs: release notes for v21.0.0 (pasta)
0a8ece1 Merge #6122: chore: translations 2024-07 (pasta)
146d244 Merge #6140: feat: harden all sporks on mainnet to current values (pasta)
024d272 Merge #6126: feat: enable EHF activation of MN_RR on mainnet (pasta)
e780b3d Merge #6125: docs: update manpages for 21.0 (pasta)
5ede23c Merge #6118: docs: add release notes notifying change of default branch to `develop` (pasta)
1b6fe9c Merge #6117: docs: update supported versions in SECURITY.md (pasta)
27d20be Merge #6116: fix: mitigate crashes associated with some upgradetohd edge cases (pasta)
db82817 Merge #6106: feat: create new composite quorum-command platformsign (pasta)
a45e6df Merge #6104: fix: adjust incorrect parameter description that says there is a default that doesn't exist (pasta)
7330982 Merge #6100: feat: make whitelist works with composite commands for platform needs (pasta)
9998ffd Merge #6096: feat: split type of error in submitchainlock - return enum in CL verifying code (pasta)
cdf7a25 Merge #6095: fix: createwallet to require 'load_on_startup' for descriptor wallets (pasta)
c1c2c55 Merge #6092: fix: mixing for partially unlocked descriptor wallets (pasta)
1175486 Merge #6073: feat: add logging for RPC HTTP requests: command, user, http-code, time of running (pasta)

Pull request description:

  ## Issue being fixed or feature implemented
  Suppressed changes from be83865 so the diff is empty.

  ## What was done?

  ## How Has This Been Tested?

  ## Breaking Changes

  ## Checklist:
  - [x] I have performed a self-review of my own code
  - [ ] I have commented my code, particularly in hard-to-understand areas
  - [ ] I have added or updated relevant unit/integration/functional/e2e tests
  - [ ] I have made corresponding changes to the documentation
  - [x] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_

ACKs for top commit:
  PastaPastaPasta:
    ACK 158cf86; no diff
  knst:
    ACK 158cf86

Tree-SHA512: 3310a39fbcb45bdf09f885fe77ba769c0a715869a3bb287eaf0f2cf54b35a7e1f832c88df3bd31097eabf2d375515c1b87ff05e0c3282cef642833a154c42bbe