Update meraki heading-font references

meraki/theme.json

@@ -61,7 +61,7 @@
 				},
 				{
 					"fontFamily": "Jost, sans-serif",
-					"slug": "heading-font",
+					"slug": "jost",
 					"name": "Headings (Jost)",
 					"fontFace": [
 						{
@@ -140,7 +140,7 @@
 			},
 			"core/navigation-link": {
 				"typography": {
-					"fontFamily": "var(--wp--preset--font-family--heading-font)",
+					"fontFamily": "var(--wp--preset--font-family--jost)",
 					"letterSpacing": "0.05em",
 					"fontSize": "var(--wp--preset--font-size--tiny)",
 					"textTransform": "uppercase"
@@ -166,7 +166,7 @@
 			},
 			"core/site-tagline": {
 				"typography": {
-					"fontFamily": "var(--wp--preset--font-family--heading-font)",
+					"fontFamily": "var(--wp--preset--font-family--jost)",
 					"fontSize": "var(--wp--preset--font-size--small)"
 				}
 			}