0.13.0 Temporarily remove GAFFTemplateGenerator

0.13.0 Temporarily remove GAFFTemplateGenerator

This release temporarily removes GAFFTemplateGenerator because of packaging incompatibilities with
AmberTools 23. This functionality is planned to be re-introduced in 0.14.0.

This release is expected to work with Python 3.10-3.12.

Other changes include

• The default force field of SystemGenerator was updated from openff-1.0.0 (code name Parsley) to
  openff-2.0.0 (code name Sage).

What's Changed

• Merge dependabot changes by @mattwthompson in #307
• Update SMIRNOFF/OpenFF docs/examples by @mattwthompson in #305
• fix badges + readme updates by @mikemhenry in #309
• feat: Improve handling of NB 1-4 scaling factors by @LilDojd in #318
• Update partial charge assignment docs by @mattwthompson in #313
• Specify major version of checkout action by @mattwthompson in #314
• Do not generate conformers that will not be used by @mattwthompson in #315
• Temporarily remove GAFF because of parmchk2 issues by @mattwthompson in #329
• Add correct cutoffs to SMIRNOFF example by @mattwthompson in #324
• Bump codecov/codecov-action from 3 to 4 by @dependabot in #322
• Add uniform, automated linting by @mattwthompson in #319
• Remove code paths that use old OpenFF Toolkit API by @mattwthompson in #323
• linted all files by @mikemhenry in #332
• make a new excpetion for dropping gaff support by @mikemhenry in #333

New Contributors

• @LilDojd made their first contribution in #318

Full Changelog: 0.12.0...0.13.0