Updated repository references

- These packages were recently moved out of the Ghost repo
  but the repository ref hadn't yet been updated
- We do this so it's easier to find the repo where to code lives

Author: ErisDS

packages/custom-fonts/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@tryghost/custom-fonts",
   "version": "1.0.0",
-  "repository": "https://github.com/TryGhost/Ghost/tree/main/packages/custom-fonts",
+  "repository": "https://github.com/TryGhost/SDK/tree/main/packages/custom-fonts",
   "author": "Ghost Foundation",
   "publishConfig": {
     "access": "public"

packages/html-to-plaintext/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@tryghost/html-to-plaintext",
   "version": "1.0.3",
-  "repository": "https://github.com/TryGhost/Ghost/tree/main/packages/html-to-plaintext",
+  "repository": "https://github.com/TryGhost/SDK/tree/main/packages/html-to-plaintext",
   "author": "Ghost Foundation",
   "private": false,
   "main": "index.js",

packages/referrer-parser/package.json

@@ -40,10 +40,10 @@
   "license": "MIT",
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/TryGhost/Ghost.git"
+    "url": "git+https://github.com/TryGhost/SDK.git"
   },
   "bugs": {
-    "url": "https://github.com/TryGhost/Ghost/issues"
+    "url": "https://github.com/TryGhost/SDK/issues"
   },
   "homepage": "https://ghost.org",
   "devDependencies": {