v0.14: bugfixes and nvec

What's Changed

• remove constexpr from bitvec shift by @julianharbarth in #175
• fix optional by @julianharbarth in #174
• basic_unique_ptr: reset on move assignment by @AdelKS in #176
• prepare cista for ankerl::unordered_dense::map/set adapter by @felixguendling in #178
• nvec by @felixguendling in #179
• windows: file open: throw error with message by @felixguendling in #180
• vecvec bucket push back and sort test by @felixguendling in #181
• macos: vecvec bucket <-> std::span compatibility by @felixguendling in #182
• fix nvec serialization by @felixguendling in #183

New Contributors

• @AdelKS made their first contribution in #176

Full Changelog: v0.13...v0.14