Incorporate WCAG 2.2 errata into WCAG2ICT, as needed

[maryjom]

The following list of issues are causing changes in WCAG 2.2. Need to determine if there will be any content changes that would need to be incorporated into the existing text in WCAG2ICT:

• WCAG PR4040
• WCAG PR 3038
• WCAG PR 3943
• WCAG PR 3776
• WCAG PR 3756
• WCAG PR 3880
• WCAG PR 3662
• WCAG PR 1481
• WCAG PR 3636
• WCAG PR 3189
• WCAG PR 3707
• WCAG PR 3539
• WCAG PR 3938
• WCAG PR 4034
• WCAG PR 3536
• WCAG PR 4070