Running pulumi up in new project with python 3.10 prints deprecation warning

[komalali]

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Issue details

Steps to reproduce

1. Install python 3.10
2. Run pulumi new aws-python
3. Run pulumi up
4. Observe output

Expected: No deprecation warning
Actual:

Updating (dev)

View Live: https://app.pulumi.com/komalali/blah/dev/updates/1

     Type                 Name       Status      Info
 +   pulumi:pulumi:Stack  blah-dev   created     2 messages
 +   └─ aws:s3:Bucket     my-bucket  created

Diagnostics:
  pulumi:pulumi:Stack (blah-dev):
    /opt/pulumi/bin/pulumi-language-python-exec:71: DeprecationWarning: There is no current event loop
      loop = asyncio.get_event_loop()

Outputs:
    bucket_name: "my-bucket-bc117c7"

Resources:
    + 2 created

Duration: 9s

This is due to the fact that asyncio.get_event_loop() now prints a deprecation warning when there is no running loop. See the docs for more info.