Release 1.6.0

This release contains the following:

• Update Bitcoin Core to v27.1
• Add health check badges to the readme
• Publish Tor manual installation guide
• Publish Core Lightning manual installation guide
• Reduce the likelihood of triggering low-memory conditions
• Bug fixes and automated testing improvements

What's Changed

• feat(license): change wording to MIT-0 license by @bitcoin-tools in #959
• fix(ci): prevent system upgrade with CI runners by @bitcoin-tools in #969
• fix(ci): remove Ubuntu 24 runner apt cache by @bitcoin-tools in #986
• fix(deps): add zeromq for dnf builds by @bitcoin-tools in #984
• docs(badge): add CI status badges to readme by @bitcoin-tools in #979
• feat(ui): shorten the macOS security warning by @bitcoin-tools in #987
• fix(deps): add procps dependency for apt-get by @bitcoin-tools in #980
• docs(tor): create manual Tor install guide by @bitcoin-tools in #1014
• chore(bitcoin): bump Bitcoin Core to v27.1 by @bitcoin-tools in #1023
• feat(ci): avoid spell check on code and code blocks by @bitcoin-tools in #1040
• fix(deps): remove python macOS build dependency by @bitcoin-tools in #1044
• feat(ux): make process_release_tags script executable by @bitcoin-tools in #1053
• docs(lightning): publish lightning install guide by @bitcoin-tools in #1035
• fix(release): avoid unbound variable in process_release_tags script by @bitcoin-tools in #1050
• feat(ux): adjust for low-memory environments less often by @bitcoin-tools in #1057
• fix(stability): check for undefined variable during unhandled exceptions by @bitcoin-tools in #1059
• feat(release): bump release tags to v1.6.0 by @bitcoin-tools in #1056

Full Changelog: v1.5.0...v1.6.0