v0.6.0b16

What's Changed

• fix(ci): wait on the disk reclaim itself, not a fixed 180s deadline by @jdrumgoole in #1052
• docs: benchmark numbers from the beta.163 release run by @jdrumgoole in #1051
• docs: prepare the 0.6.0b16 changelog by @jdrumgoole in #1053

Full Changelog: secantusdb-v0.5.3-beta.163...v0.6.0b16