Bedrock: Make sure page navigation button has no underline on hover and focus states (#7618)

bedrock/theme.json

@@ -544,12 +544,18 @@
 							"color": {
 								"background": "var(--wp--preset--color--accent-two)",
 								"text": "var(--wp--preset--color--accent-three)"
+							},
+							"typography": {
+								"textDecoration": "none"
 							}
 						},
 						":hover": {
 							"color": {
 								"background": "var(--wp--preset--color--accent-two)",
 								"text": "var(--wp--preset--color--accent-three)"
+							},
+							"typography": {
+								"textDecoration": "none"
 							}
 						},
 						"border": {