feature: Add presigned URLs for interactive apps

[matherit]

Issue #, if available:

Description of changes:

Testing done:

Merge Checklist

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General

• I have read the CONTRIBUTING doc
• I certify that the changes I am introducing will be backward compatible, and I have discussed concerns about this, if any, with the Python SDK team
• I used the commit message format described in CONTRIBUTING
• I have passed the region in to all S3 and STS clients that I've initialized as part of this change.
• I have updated any necessary documentation, including READMEs and API docs (if appropriate)

Tests

• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added unit and/or integration tests as appropriate to ensure backward compatibility of the changes
• I have checked that my tests are not configured for a specific region or account (if appropriate)
• I have used unique_name_from_base to create resource names in integ tests (if appropriate)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-local-mode-tests
• Commit ID: ea849c7
• Result: SUCCEEDED
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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-notebook-tests
• Commit ID: ea849c7
• Result: FAILED
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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-pr
• Commit ID: ea849c7
• Result: SUCCEEDED
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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-unit-tests
• Commit ID: ea849c7
• Result: SUCCEEDED
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[codecov-commenter]

Codecov Report

Merging #4086 (ea849c7) into master (300cd17) will decrease coverage by 0.71%.
The diff coverage is 96.85%.

@@            Coverage Diff             @@
##           master    #4086      +/-   ##
==========================================
- Coverage   90.21%   89.50%   -0.71%     
==========================================
  Files        1308      310     -998     
  Lines      115620    28654   -86966     
==========================================
- Hits       104304    25648   -78656     
+ Misses      11316     3006    -8310     

Files Changed	Coverage Δ
...sagemaker/interactive_apps/base_interactive_app.py	96.15% <96.15%> (ø)
src/sagemaker/interactive_apps/tensorboard.py	97.43% <96.66%> (ø)
src/sagemaker/estimator.py	91.72% <100.00%> (ø)
src/sagemaker/interactive_apps/__init__.py	100.00% <100.00%> (ø)

... and 1614 files with indirect coverage changes

[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-slow-tests
• Commit ID: ea849c7
• Result: SUCCEEDED
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