docs: rename /drupal7 to /drupal-upgrade

src/pages/index.mdx

@@ -42,4 +42,4 @@ Book a [1-on-1 consultation call][call] or an [online pair programming session][
 [drupal.org]: https://drupal.org/u/opdavies
 [github]: https://github.com/opdavies
 [pair]: /pair
-[upgrade-roadmap]: /drupal7
+[upgrade-roadmap]: /drupal-upgrade

src/pages/rss/daily.xml.js

@@ -21,7 +21,7 @@ export async function get() {
     }
 
     return '<br />P.S. ' + _.sample([
-      'Are you still using Drupal 7 and don’t know what’s involved to upgrade to Drupal 10? <a href="https://www.oliverdavies.uk/call">Book a Drupal 7 upgrade consultation call</a> or <a href="https://www.oliverdavies.uk/drupal7">an upgrade roadmap</a>.',
+      'Are you still using Drupal 7 and don’t know what’s involved to upgrade to Drupal 10? <a href="https://www.oliverdavies.uk/call">Book a Drupal 7 upgrade consultation call</a> or <a href="https://www.oliverdavies.uk/drupal-upgrade">an upgrade roadmap</a>.',
       'Need help or want another pair of eyes on your code? Book a <a href="https://www.oliverdavies.uk/call">1-on-1 consulting call</a> or an <a href="https://www.oliverdavies.uk/pair">online pair programming session</a> with a 100% money-back guarantee.',
       'If you\'re creating a new Drupal module, try my <a href="https://github.com/opdavies/drupal-module-template">free Drupal module template</a>.',
     ]);

src/products.json

@@ -5,7 +5,7 @@
     "price": 5000,
     "link": {
       "text": "Book your roadmap now",
-      "href": "/drupal7"
+      "href": "/drupal-upgrade"
     }
   },
   {