Bump terser from 4.6.11 to 4.8.1

Bumps [terser](https://github.com/terser/terser) from 4.6.11 to 4.8.1.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/commits)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: indirect
...

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

package-lock.json

@@ -8133,6 +8133,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
       "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
+      "dev": true,
       "requires": {
         "safe-buffer": "^5.1.0"
       }
@@ -8706,12 +8707,9 @@
       }
     },
     "serialize-javascript": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-3.1.0.tgz",
-      "integrity": "sha512-JIJT1DGiWmIKhzRsG91aS6Ze4sFUrYbltlkg2onR5OrnNM02Kl/hnY/T4FN2omvyeBbQmMJv+K4cPOpGzOTFBg==",
-      "requires": {
-        "randombytes": "^2.1.0"
-      }
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-3.0.0.tgz",
+      "integrity": "sha512-skZcHYw2vEX4bw90nAr2iTTsz6x2SrHEnfxgKYmZlvJYBEZrvbKtobJWlQ20zczKb3bsHHXXTYt48zBA7ni9cw=="
     },
     "serve-index": {
       "version": "1.9.1",
@@ -9690,9 +9688,9 @@
       }
     },
     "terser": {
-      "version": "4.6.11",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.11.tgz",
-      "integrity": "sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",

package.json

@@ -26,7 +26,7 @@
     "@angular/router": "~8.2.0",
     "express": "^4.17.1",
     "rxjs": "~6.4.0",
-    "serialize-javascript": ">=3.1.0",
+    "serialize-javascript": ">=2.1.1",
     "tslib": "^1.10.0",
     "zone.js": "~0.9.1"
   },