chore: update dependency @rollup/plugin-terser to v1

Author: renovate[bot]

package-lock.json

@@ -6,7 +6,7 @@
     "@bpmn-io/draggle": "^4.1.2",
     "@rollup/plugin-commonjs": "^29.0.0",
     "@rollup/plugin-node-resolve": "^16.0.3",
-    "@rollup/plugin-terser": "^0.4.4",
+    "@rollup/plugin-terser": "^1.0.0",
     "@rollup/plugin-url": "^8.0.2",
     "bootstrap": "^4.6.1",
     "eslint-plugin-svelte": "^3.13.1",