SageMaker example script update

[kmcginnes]

Description

Updates the SageMaker example script.

• Adds CloudWatch logging to Docker container run command
• Updates logging text to use product name Graph Explorer
• Adds instructional comments to parts of script that the user must change manually
• Removes parameter parsing, since version is not passed via script parameter in this case
• Adds graph-notebook installation to better reflect full production Lifecycle used in Neptune Notebooks

Validation

• Test in Neptune SageMaker

Related Issues

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0
  license.
• I have run pnpm checks to ensure code compiles and meets standards.
• I have run pnpm test to check if all tests are passing.
• I have covered new added functionality with unit tests if necessary.
• I have added an entry in the Changelog.md.