Bump luxon from 1.16.1 to 1.28.1

Bumps [luxon](https://github.com/moment/luxon) from 1.16.1 to 1.28.1.
- [Release notes](https://github.com/moment/luxon/releases)
- [Changelog](https://github.com/moment/luxon/blob/master/CHANGELOG.md)
- [Commits](https://github.com/moment/luxon/compare/1.16.1...1.28.1)

---
updated-dependencies:
- dependency-name: luxon
  dependency-type: direct:production
...

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

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "localloop-web",
-  "version": "0.1.11",
+  "version": "0.1.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10380,9 +10380,9 @@
       }
     },
     "luxon": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.16.1.tgz",
-      "integrity": "sha512-3aYYMFpIRdEQJl00ki+NDr2zx/Ulf7ZgohBUb6ifZQuVkP8/KCYJluISl0YNbvZXBdzCbVhpQnS4M6Svjpn7EA=="
+      "version": "1.28.1",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
+      "integrity": "sha512-gYHAa180mKrNIUJCbwpmD0aTu9kV0dREDrwNnuyFAsO1Wt0EVYSZelPnJlbj9HplzXX/YWXHFTL45kvZ53M0pw=="
     },
     "magic-string": {
       "version": "0.25.3",

package.json

@@ -46,7 +46,7 @@
     "jasmine": "^3.4.0",
     "jquery": "^3.5.1",
     "jszip": "^3.2.2",
-    "luxon": "^1.16.1",
+    "luxon": "^1.28.1",
     "moment": "^2.24.0",
     "ng2-charts": "^2.3.2",
     "ng2-validation-manager": "0.5.3",