Merge hardfork branch into release branch for 7.0.0 release

Merge hardfork branch into release branch

Merge hardfork branch into release branch

Update project brief and version in Doxyfile

Fix Doxygen warnings

Fix gethelp command in CLI wallet

- ElasticSearch 7: 7.17.10 -> 7.17.12
- ElasticSearch 8: 8.8.1 -> 8.9.1
- OpenSSL: 1.1.1u -> 1.1.1v
- CURL: 8.1.2 -> 8.2.1
- zlib: 1.2.13 -> 1.3

Build tests in /mnt

Improve node networking stability and update dependency versions

GCOVR_EXEL_STOP -> GCOVR_EXCL_STOP

Record filled amount in limit orders

* ElasticSearch 7: 7.17.12 -> 7.17.13
* ElasticSearch 8: 8.9.1 -> 8.10.2
* OpenSSL: 1.1.1v -> 1.1.1w
* CURL: 8.2.1 -> 8.3.0

Update dependency versions used in Github Actions

Fix Doxygen warnings

Set Mainnet 7.0 HF time to 2023-11-16 14:00:00 UTC

Thanks https://github.com/omahs for #2784

Thanks to https://github.com/omahs for #2784

Thanks to https://github.com/omahs for #2784

Update Doxygen links in README.md

Merge release branch back into develop branch