fix(theme/Accordion): reset heading styles

Author: TylerAPfledderer

src/@chakra-ui/components/Accordion.ts

@@ -5,6 +5,12 @@ const { defineMultiStyleConfig, definePartsStyle } =
   createMultiStyleConfigHelpers(accordionAnatomy.keys)
 
 const baseStyle = definePartsStyle({
+  container: {
+    '& > :is(h2, h3)': {
+      fontSize: "initial",
+      fontWeight: 'initial'
+    }
+  },
   button: {
     py: "2",
     px: { base: "2", md: "4" },