Merge branch 'main' into 6075-deprecate-styled-react

Author: joshblack

.changeset/dry-pets-appear.md

@@ -0,0 +1,5 @@
+---
+'@primer/react': minor
+---
+
+Make MappedActionListItem a forwardRef component

.changeset/easy-suits-mate.md

@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+Replaces 'aria-live' usage and removes internal LiveRegion component

.changeset/flush-banner.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": minor
+---
+
+Banner: Add `flush` prop for use within confined spaces, such as dialogs, tables, cards, or boxes where available space is limited.

.changeset/four-carrots-divide.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+fix(LabelGroup): add role and aria-label to hidden items overlay