fix(templates): typo in with-cloudflare-d1 template (#14243)

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Co-authored-by: Paul Popus <paul@payloadcms.com>

Author: xtian

templates/with-cloudflare-d1/tests/e2e/frontend.e2e.spec.ts

@@ -13,8 +13,8 @@ test.describe('Frontend', () => {
 
     await expect(page).toHaveTitle(/Payload Blank Template/)
 
-    const headging = page.locator('h1').first()
+    const heading = page.locator('h1').first()
 
-    await expect(headging).toHaveText('Welcome to your new project.')
+    await expect(heading).toHaveText('Welcome to your new project.')
   })
 })