Python 3.10 wheel support

• Support Python 3.10 wheels. We dropped manylinux1 for Python 3.10 as 3.10 is not available in manylinux1.

s3 default max part size update

• Update aws-c-s3 for the default max part size update, which supports the huge file (large than 0.32TB to be transferred by default)
• update aws-c-common for:
  • Add build flag: USE_CPU_EXTENSIONS
  • byte_buffer_reserve work with initial capacity zero
• update aws-checksum for Add build flag: USE_CPU_EXTENSIONS

Proxy environment variable support

Proxy environment variable support HTTP_PROXY and HTTPS_PROXY enabled by default for S3 client

• env HTTPS_PROXY/https_proxy will be checked when the main connection use tls.
• env HTTP_PROXY/http_proxy will be checked when the main connection NOT use tls.
• The lower case version has precedence.

update Submodules

v0.12.2

update the submodules (#310)

Ephemeral client-side TLS keys on Windows

• Migrates Windows client-side TLS configuration to ephemeral keys

Fix CA override functions

Fix the issue where "override_default_trust_store" functions did not actually override the system trust store on Linux and Apple platforms.

Fix SNI on Macs when root CA overridden

• Properly perform an SNI check on OSX when the root CA has been overridden.

Cal Logging Fixes

• Removes stderr output in favor of logging when doing aws-c-cal libcrypto symbol resolution

Sigv4a

• Sigv4a implementation

SNI, Pi fixes

• Fix input stream seek behavior on raspberry Pis as a side-effect of improving seek offset type/size support
• On Windows, perform SNI checks even when the root CA has been overridden
• On Windows, properly honor the verify_peer flag when set to false