Bump package version 1.2.0

Author: Corentin Mors

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-virtual-grid",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "author": "Corentin Mors <[email protected]>",
   "license": "MIT",
   "repository": "github:mikescops/vue-virtual-grid",
@@ -18,8 +18,8 @@
     "vue": "^2.6.12"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^4.3.0",
-    "@typescript-eslint/parser": "^4.3.0",
+    "@typescript-eslint/eslint-plugin": "^4.4.0",
+    "@typescript-eslint/parser": "^4.4.0",
     "@vue/cli-plugin-eslint": "~4.5.6",
     "@vue/cli-plugin-typescript": "~4.5.6",
     "@vue/cli-service": "~4.5.6",