Update Panopoly core modules for PHP 8.1 and 8.2

Patch is attached. Tests are running at https://gitlab.com/cboyden/panopoly/-/pipelines/659429436.

There are newer releases for more modules built by Panopoly core:
Field Group 1.8
Views 3.28
Views Bulk Operations 3.7
Panels 3.11

Updated patch is attached.

Migrate has a new release with more PHP 8.x compatibility: Migrate 2.12. Updated patch for panopoly_core is attached.

More updates are available:

• CTools 1.21
• Date 2.14 (includes Date 2.13)
• Entity Reference 1.6

See attached patch.

Updated patch and issue summary to include Views 3.29 and Entity Reference 1.9.

There are some more contrib updates and some patches that are needed for Panopoly to run on PHP 8.2:

• Date patch from #3349467: Deprecated: Using ${var} in strings is deprecated, use {$var} instead
• Entity patch from #3328049: PHP 8.2 - Fix deprecated dynamic properties
• Features version 2.15
• Migrate patch from #3401693: Dynamic properties are deprecated in PHP 8.2
• Panels version 3.12

Updated patch is attached.

Removed Date patch that only affected module tests.

There are additional patches for PHP compatibility in Views and CTools.