docs: fix typo in guide/composition-api-provide-inject (#407)

Author: javoski

src/guide/composition-api-provide-inject.md

@@ -232,7 +232,7 @@ export default {
   setup() {
     const userLocation = inject('location', 'The Universe')
     const userGeolocation = inject('geolocation')
-    const updateUserLocation = inject('updateUserLocation')
+    const updateUserLocation = inject('updateLocation')
 
     return {
       userLocation,