[Snyk] Upgrade react-native-screens from 2.16.1 to 2.18.1

Snyk has created this PR to upgrade react-native-screens from 2.16.1 to 2.18.1.

merge advice :information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

The recommended version is 4 versions ahead of your current version.
The recommended version was released 23 days ago, on 2021-03-02.

The recommended version fixes:

Issue	PriorityScore (*)	Exploit Maturity
Prototype Pollution SNYK-JS-Y18N-1021887	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-1023599	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
Command Injection SNYK-JS-LODASH-1040724	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
Prototype Pollution SNYK-JS-INI-1048974	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
Insufficient Validation SNYK-JS-ELECTRON-1070014	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Use After Free SNYK-JS-ELECTRON-1064561	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Use After Free SNYK-JS-ELECTRON-1064558	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Out-of-bounds Read SNYK-JS-ELECTRON-1051000	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Use After Free SNYK-JS-ELECTRON-1050999	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Insufficient Validation SNYK-JS-ELECTRON-1050882	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Use After Free SNYK-JS-ELECTRON-1050424	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Use After Free SNYK-JS-ELECTRON-1049547	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Improper Input Validation SNYK-JS-ELECTRON-1049323	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Improper Access Control SNYK-JS-ELECTRON-1049321	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Heap-based Buffer Overflow SNYK-JS-ELECTRON-1048693	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Improper Validation SNYK-JS-ELECTRON-1047306	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Mature
Use After Free SNYK-JS-ELECTRON-1041745	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Mature
Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-1072471	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Regular Expression Denial of Service (ReDoS) SNYK-JS-LODASH-1018905	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
Use After Free SNYK-JS-ELECTRON-1070015	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Information Exposure SNYK-JS-ELECTRON-1065981	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Improper Input Validation SNYK-JS-ELECTRON-1064555	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Information Exposure SNYK-JS-ELECTRON-1050427	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit
Regular Expression Denial of Service (ReDoS) SNYK-JS-COLORSTRING-1082939	472/1000 Why? Proof of Concept exploit, CVSS 7.3	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: react-native-screens

2.18.1 - 2021-03-02
Patch release transforming the library to TypeScript. See #793 and #794 for more information.
2.18.0 - 2021-02-25
Minor release fixing bugs, improving typings, and adding some functionalities. 🎉

🐛 Bug fixes
- Add cancel touchHandler on swipe in nested stack in modal (#784) by @ kmagiera and @ WoLewicki
- Restore the proper type for NavigationConfig (#810) by @ satya164 and @ WoLewicki
- Add check for isDestroyed (#805) by @ WoLewicki
- Rtl transition without header on iOS (#831) by @ WoLewicki
- Make header subviews subscribe to transition (#820) by @ WoLewicki and @ fangasvsass
👍 Improvements
- Enable interaction during transition (#775) by @ WoLewicki
- Change modal logic (#798) by @ WoLewicki
- Use ReactNativeStyleAttributes to process fontFamily (#823) by @ brentvatne
🔢 Miscellaneous
- Replace deprecated API (#768) by @ sunzhongliangde
- Change babel and metro resolvers logic (#788) by @ satya164 and @ WoLewicki
- Remove buildscript from main build.gradle (#799) by @ WoLewicki
- Add warning about mixing modal types (#835) by @ kacperkapusciak
🙌 Thank you for your contributions!
2.17.1 - 2021-01-26
Patch release fixing regression introduced by not excluding example projects from the bob typescript build. See #790 for more information.
2.17.0 - 2021-01-25
Minor release fixing bugs, improving typings, and adding some functionalities. 🎉

🐛 Bug fixes
- Add default status bar style (#757) by @ WoLewicki
- Add ScreenOrientationTypes (#762) by @ WoLewicki
- Add setting frame in notifyWillAppear (#772) by @ kmagiera and @ WoLewicki
- Remove setting tintColor in ios14 (#748) by @ jakmak24 and @ WoLewicki
- Add async container update on ios (#777) by @ WoLewicki
👍 Improvements
- Add statusBar example (#752) by @ WoLewicki
- Add screen orientation on iOS (#675) by @ WoLewicki
- Add android orientation management (#679) by @ WoLewicki
🔢 Miscellaneous
- Update READMES and add missing props (#727) by @ WoLewicki
- Add link to QA section (#759) by @ jakub-gonet
- Update links in RNScreens.podspec (#763) by @ luism3861
🙌 Thank you for your contributions!
2.16.1 - 2020-12-10
Patch release fixing regression introduced in #648.