dqlite v1.17.0 LTS

This is the first release of the dqlite v1.17.x LTS release series. This release series will incorporate fixes for security issues and possibly other major bugs at the maintainers' discretion. It will not see any new features or breaking changes. You can track this LTS release series by following the lts-1.17.x branch; ongoing development will continue on master.

Compared to the last non-LTS release (dqlite v1.16.7), this release contains:

• Add an API for querying the last raft log entry by @cole-miller in #683
• Fix the build when liblz4 is missing and test it by @cole-miller in #693
• github: Test with musl by @cole-miller in #682
• Propagate raft_recover errors and improve tracing by @petrutlucian94 in #702
• Remove option to link separately-built libraft by @cole-miller in #690
• Remove dqlite-next build configuration by @cole-miller in #704
• Start instrumenting existing code with state machines by @cole-miller in #678
• Snapshot checkpointing by @marco6 in #710
• Refactor leader.c to fix stack growth in handle_exec_sql by @cole-miller in #697
• Fix frames leak when VfsPoll fails by @cole-miller in #713

Full Changelog: v1.16.7...v1.17.0