update rollup

package.json

@@ -11,13 +11,14 @@
     "eslint-config-google": "^0.11.0",
     "eslint-plugin-svelte3": "^2.7.3",
     "postcss-easy-import": "^3.0.0",
-    "rollup": "^1.20.0",
-    "rollup-plugin-livereload": "^1.0.0",
-    "rollup-plugin-svelte": "^6.1.1",
-    "rollup-plugin-terser": "^5.1.2",
+    "rollup": "^2.45.2",
+    "rollup-plugin-css-only": "^3.1.0",
+    "rollup-plugin-livereload": "^2.0.0",
+    "rollup-plugin-svelte": "^7.1.0",
+    "rollup-plugin-terser": "^7.0.2",
     "sirv-cli": "^0.4.4",
     "svelte": "^3.2.0",
-    "svelte-check": "^0.1.0",
+    "svelte-check": "^1.4.0",
     "svelte-preprocess": "^4.0.0",
     "tslib": "^2.0.0",
     "typescript": "^3.9.7"