0.13.0

What's Changed

• pgstmt: add Not cond by @acoshift in #29
• pgstmt: change on conflict interface to support partial index by @acoshift in #30
• pgstmt: cond new style by @acoshift in #32
• pgstmt: change field to any by @acoshift in #31
• pgstmt: add short hand on conflict do nothing by @acoshift in #33
• pgctx: add RunInReadOnlyTx by @acoshift in #34

Full Changelog: v0.12.0...v0.13.0