fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BABELTRAVERSE-5962462
- https://snyk.io/vuln/SNYK-JS-DECODEURICOMPONENT-3149970
- https://snyk.io/vuln/SNYK-JS-JSON5-3182856
- https://snyk.io/vuln/SNYK-JS-REACTDEVTOOLSCORE-6023999
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/SNYK-JS-SHELLQUOTE-1766506
- https://snyk.io/vuln/SNYK-JS-SIDEWAYFORMULA-3317169

package.json

@@ -70,7 +70,7 @@
     "react-dom": "^16.12.0",
     "react-i18next": "^11.13.0",
     "react-modal": "^3.14.3",
-    "react-native": "0.68.2",
+    "react-native": "0.73.0",
     "react-native-animatable": "^1.3.3",
     "react-native-auth0": "^2.10.0",
     "react-native-blob-util": "^0.16.0",