Post Author Biography: Add Border Support (#64615)

Co-authored-by: shail-mehta <shailu25@git.wordpress.org>
Co-authored-by: ramonjd <ramonopoly@git.wordpress.org>
Co-authored-by: aaronrobertshaw <aaronrobertshaw@git.wordpress.org>

packages/block-library/src/post-author-biography/block.json

@@ -43,6 +43,19 @@
 		},
 		"interactivity": {
 			"clientNavigation": true
+		},
+		"__experimentalBorder": {
+			"radius": true,
+			"color": true,
+			"width": true,
+			"style": true,
+			"__experimentalDefaultControls": {
+				"radius": true,
+				"color": true,
+				"width": true,
+				"style": true
+			}
 		}
-	}
+	},
+	"style": "wp-block-post-author-biography"
 }

packages/block-library/src/post-author-biography/style.scss

@@ -0,0 +1,4 @@
+.wp-block-post-author-biography {
+	// This block has customizable padding, border-box makes that more predictable.
+	box-sizing: border-box;
+}

packages/block-library/src/style.scss

@@ -32,6 +32,7 @@
 @import "./page-list/style.scss";
 @import "./paragraph/style.scss";
 @import "./post-author/style.scss";
+@import "./post-author-biography/style.scss";
 @import "./post-comments-form/style.scss";
 @import "./post-content/style.scss";
 @import "./post-date/style.scss";