Drizzlepac v3.4.3

This release includes includes updates for these features in addition to various bug fixes:

• Initial support for aligning and creating SVM and MVM products for WFPC2 data
  based on unoptimized processing parameters
• Python 3.10 support
• Photutils 1.4.0 (and newer) support
• Updated documentation on SVM catalogs

What's Changed

• Fixed skycell size in pixels as quoted in the documentation. by @mdlpstsci in #1387
• Ensure Ramp filter data is not used for MVM processing by @mdlpstsci in #1393
• Added requested values and clarification text regarding photometry to the catalogs by @mdlpstsci in #1390
• Modified the docstring which defines the HAPLEVEL and its associated meaning by @mdlpstsci in #1395
• Modified the "exposure level" products to have a HAPLEVEL = 1 by @mdlpstsci in #1398
• Get full S_REGION outline by @stsci-hack in #1401
• Update readthedocs for SVM catalog generation by @dulude in #1400
• Delete all reference catalogs during SVM processing by @stsci-hack in #1409
• Update runastrodriz to work with WFPC2 singletons by @stsci-hack in #1412
• Revert sky matching upon any error by @stsci-hack in #1411
• Update SVM to support WFPC2 subarray exposures by @stsci-hack in #1418
• Add Python 3.10 tests by @stsci-hack in #1420
• Add WFPC2 support for MVM processing by @stsci-hack in #1422
• Support additional RADESYS options for input files by @stsci-hack in #1423
• Ensure the gain variables are defined for all detectors by @mdlpstsci in #1425
• Essentially remove restriction on PhotUtils package version by @mdlpstsci in #1426

Full Changelog: 3.4.2...3.4.3