Update axios dependency

• Bump axios from 0.19.2 to 0.21.1

Windows try-lock fix

Try lock fix (#163)

* Fix try-lock on Windows
* Dependency updates

MQTT retry update

• Rework the retry behavior for requests
• Several bugs fixed from aws-c-mqtt
• Memory leak fix: releasing reference to payload and topic name

Stability fixes

• SDK shutdown now waits for C thread-based objects to all fully destroy themselves
• Windows build tweaks to work around environment propagation issues

Dynamically discover incompatible openssl APIs

• Tests dynamic discovery of certain Openssl APIs

Bug Fixed for credential provider binding

• Bug Fixed: Zero out the chain default option once created

Updated to s2n v0.10.19

v1.3.1

Updated to s2n v0.10.19 (#143)

iOS API adjustments

• BUG_FIXED: Fixes a crash when shutting down an mqtt connection with an incomplete request with no callback from aws-c-mqtt
• BUG_FIXED: Fixed upgrade typo
• BUG_FIXED: Added a http.HttpRequest derived from crt_native.HttpRequest, taking InputStream as argument
• BUG_FIXED: Fix the refcounts for aws_http_message under HttpRequest
• API_CHANGE: Added check for iOS platform

Auth signing change

• API CHANGE: AwsSigningConfig.signed_body_value is now a string instead of an int enum.
• BUGFIX: MQTT on_interrupt and on_resume callbacks firing correctly.
• BUGFIX: Websocket no longer hangs if CLOSE frame cannot be sent.

Better error surfacing

• improves error experience/handling by emitting errors from within node's main loop and not from NAPI calls.