chore(deps): update docs-core (#4884)

* chore(deps): update docs-core

* chore(deps): update docs-core to fix bundle size issues

* chore(lockfile): update lock file

Author: wise-king-sullyman

packages/site/package.json

@@ -13,7 +13,7 @@
     "init:docs": "patternfly-doc-core init"
   },
   "dependencies": {
-    "@patternfly/patternfly-doc-core": "^1.13.1",
+    "@patternfly/patternfly-doc-core": "^1.15.3",
     "astro": "^5.15.9"
   },
   "devDependencies": {