Add ECC key support for OSX

What's Changed

• CI Adjustment by @TwistedTwigleg in #357
• Fix the non-CLI code path for Shadow sample by @TwistedTwigleg in #361
• Update doc style to wrap long text by @xiazhvera in #362
• Added Raspberry support for Github Action by @xiazhvera in #363
• Drop support for Python 3.6 and raise minimum supported version to Py… by @sbSteveK in #368
• New CodeBuild workflow by @TwistedTwigleg in #366
• Fix typo. by @senmm in #365
• Update to latest crt lib to add Mac ECC key support by @xiazhvera in #369

New Contributors

• @senmm made their first contribution in #365

Full Changelog: v1.11.9...v1.11.10