Update terser to v5.9.0.

Author: XhmikosR

.bundlewatch.config.json

@@ -30,15 +30,15 @@
     },
     {
       "path": "./dist/js/bootstrap.bundle.min.js",
-      "maxSize": "21.5 kB"
+      "maxSize": "21.75 kB"
     },
     {
       "path": "./dist/js/bootstrap.js",
       "maxSize": "25.5 kB"
     },
     {
       "path": "./dist/js/bootstrap.min.js",
-      "maxSize": "14.75 kB"
+      "maxSize": "15 kB"
     }
   ],
   "ci": {

package-lock.json

@@ -58,7 +58,7 @@
     "docs-serve": "hugo server --port 9001 --disableFastRender",
     "docs-serve-only": "npx sirv-cli _site --port 9001",
     "lockfile-lint": "lockfile-lint --allowed-hosts npm --allowed-schemes https: --empty-hostname false --type npm --path package-lock.json",
-    "update-deps": "ncu -u -x \"globby,jquery,karma-browserstack-launcher,sinon,terser\" && npm update && echo Manually update site/assets/js/vendor",
+    "update-deps": "ncu -u -x \"globby,jquery,karma-browserstack-launcher,sinon\" && npm update && echo Manually update site/assets/js/vendor",
     "release": "npm-run-all dist release-sri docs-build release-zip*",
     "release-sri": "node build/generate-sri.js",
     "release-version": "node build/change-version.js",
@@ -139,7 +139,7 @@
     "sinon": "^7.5.0",
     "stylelint": "^13.13.1",
     "stylelint-config-twbs-bootstrap": "^2.2.3",
-    "terser": "5.1.0",
+    "terser": "^5.9.0",
     "vnu-jar": "21.9.2"
   },
   "files": [