Bump rollup-plugin-terser from 5.3.1 to 7.0.2

Bumps [rollup-plugin-terser](https://github.com/TrySound/rollup-plugin-terser) from 5.3.1 to 7.0.2.
- [Release notes](https://github.com/TrySound/rollup-plugin-terser/releases)
- [Commits](TrySound/rollup-plugin-terser@v5.3.1...v7.0.2)

---
updated-dependencies:
- dependency-name: rollup-plugin-terser
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "minimist": "^1.2.5",
     "rollup": "^2.7.3",
     "rollup-plugin-babel": "^4.4.0",
-    "rollup-plugin-terser": "^5.3.0",
+    "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-vue": "^5.1.6",
     "typescript": "^3.8.3",
     "vue": "^2.6.11",