* upstream/develop:
  Clean up and add props for CMB2#1413
  Sanitize URLs with HTTPS
  Add develop suffix to init class
  Add am-cli-tools
  Update changelong and version numbers and readmes, and prepare release
  Set default priority to 10 for options pages. Fixes CMB2#1410
  build field-cache key manually to remove unnecessary |'s
  Better generated array key for cached fields, fixes issue where wrong field is found. Fixes CMB2#1405
  Add to list of valid image types from get_allowed_mime_types(). Fixes CMB2#1223
  Move tab markup output to separate method, options_page_tab_nav_output. Fixes CMB2#1407
  Add cmb2_tab_group_tabs filter for adding arbitrary menu page urls to the cmb2 tabs. See CMB2#1407
  Update since tag, and add props for CMB2#1340
  Limit use of italic, including removing from field descriptions. Fixes CMB2#1404
  Add props for CMB2#1400
  move $args in deprecated_param method for 7.4
  Add develop suffix to init class
  Prepare release and changelog for 2.8.0
  Fix tests since WP_Error signature changed
  move $args in deprecated_param method for 7.4
  Use the already-existing get_priority method. Re CMB2#1380 and CMB2#1398
  Use existing "priority" field param. Fixes CMB2#1380. Closes CMB2#1398
  Add admin_menu_hook_priority box property for options boxes. Fixes CMB2#1380. Closes CMB2#1398
  Make field_can first param required to address php 8 "Required parameter follows optional parameter". Fixes CMB2#1396
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/CMB2_Utils.php
  Prevent array to string conversion
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Update includes/types/CMB2_Type_Colorpicker.php
  Added sanitize_color() function and remove PHP warnings suppresions
  Fixes PHP warnings on repeatable ColorPicker with an array as default