v1.2.2

This is PL/Rust v1.2.2. It is a minor release that fixes a likely crashing bug when arrays of "varlena" types (text, varchar) are a) used as function arguments, b) iterated, and c) contain at least one leading NULL element.

It is highly suggested that users upgrade to v1.2.2.

What's Changed

• Significantly simplify sysroot configuration by @thomcc in #342
• correct docs and code comments around the plrust.required_lints GUC by @eeeebbbbrrrr in #341
• Feike/toolchain fix by @feikesteenbergen in #343
• Fix Array crashing bug by upgrading to pgrx 0.9.7 by @workingjubilee in #344

Full Changelog: v1.2.1...v1.2.2