refactor(devtools): update type exports for CanonicalPageIssue and CanonicalPageData

This commit modifies the export statements for the CanonicalPageIssue and CanonicalPageData types in the SEO tab components, changing them from 'export type' to 'type'. This adjustment aims to streamline the code structure and improve consistency in type declarations across the module.

Author: abedshaaban

packages/devtools/src/tabs/seo-tab/canonical-url-data.ts

@@ -1,6 +1,6 @@
 import type { SeoSeverity } from './seo-severity'
 
-export type CanonicalPageIssue = {
+type CanonicalPageIssue = {
   severity: SeoSeverity
   message: string
 }
@@ -9,7 +9,7 @@ export type CanonicalPageIssue = {
  * Canonical URL, robots, and basic URL hygiene derived from the current
  * document head and `window.location`.
  */
-export type CanonicalPageData = {
+type CanonicalPageData = {
   currentUrl: string
   canonicalRaw: Array<string>
   canonicalResolved: Array<string>

packages/devtools/src/tabs/seo-tab/seo-severity.ts

@@ -10,7 +10,7 @@ export function pickSeverityClass<T>(
   return map[severity]
 }
 
-export type SeoHealthTier = 'good' | 'fair' | 'poor'
+type SeoHealthTier = 'good' | 'fair' | 'poor'
 
 /**
  * Buckets a 0–100 SEO health score for shared Good / Fair / Poor styling.