chore: update gh actions and extend python3 version testing

[reubenmiller]

No description provided.

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %	⏱️ Duration
26	0	0	26	100	11.999372s

Passed Tests

Name	⏱️ Duration	Suite
Get IoT Url	0.504 s	Account
Get Account ID	0.294 s	Account
Create certificate key pair	0.287 s	Certificates
Create CSR using AWS CA	0.400 s	Certificates
Upload self-signed certificate	0.345 s	Certificates
Create Certificate and Thing	0.634 s	Composite
Start/stop MQTT logger	0.532 s	Logger
Assert message count	2.617 s	Logger
Assert MQTT message	2.583 s	Logger
Create a new Policy	0.152 s	Policies
Deleting a non-existent Policy should not throw an error	0.073 s	Policies
Deleting a non-existent Policy should throw an error	0.069 s	Policies
Assert that a policy exists	0.148 s	Policies
Fails if policy does not exist	0.068 s	Policies
Create Thing with auto cleanup	0.138 s	Thing
Create Thing with Principal	0.556 s	Thing
Delete Thing	0.256 s	Thing
Delete non-existent thing	0.065 s	Thing
Check if thing exists	0.066 s	Thing
Throws an error if thing exists	2.205 s	Thing
Get Local Command Topic	0.001 s	Topics
Get Cloud Command Topic	0.001 s	Topics
Get Telemetry Topic	0.001 s	Topics
Get Registration Topic	0.001 s	Topics
Get cloud topic for the AWS shadow	0.001 s	Topics
Get local topic for the AWS shadow	0.001 s	Topics