Ben Humphries

Fix stack buffer overflow on stringWithFormat

1

STR 1. Enable Address Sanitizer 2. Start scan.

## What does this PR do? Updates the min version of async-http-client to [1.19.0](https://github.com/swift-server/async-http-client/releases/tag/1.19.0) to potentially fix a build issue ``` [961/962] Compiling Appwrite Client.swift /usr/local/server/.build/checkouts/sdk-for-swift/Sources/Appwrite/Client.swift:40:83: error: type 'HTTPClient.EventLoopGroupProvider' has...

## What does this PR do? Update async-http-client to fix: ``` [961/962] Compiling Appwrite Client.swift /usr/local/server/.build/checkouts/sdk-for-swift/Sources/Appwrite/Client.swift:40:83: error: type 'HTTPClient.EventLoopGroupProvider' has no member 'singleton' private static var eventLoopGroupProvider = HTTPClient.EventLoopGroupProvider.singleton ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~...

Plugin: Add Simple Keychain Implementation

1

This should really be extended to allow further configuration/control of the keychain interface, but for now this solves the problem I'm having and I wanted to share. Example usage: ```gdscript...