Fix tcltk2 package installation in R Dockerfiles

[saanikaguptamicrosoft]

Description

The latest version tcltk2 library is no longer available for R 4.0.0 as per: https://cran.r-project.org/web/packages/tcltk2/index.html
So, installing it from the archive.

Related WFs-

1. https://github.com/Azure/azureml-examples/actions/workflows/sdk-jobs-pipelines-1d_pipeline_with_non_python_components-pipeline_with_non_python_components.yml
2. https://github.com/Azure/azureml-examples/actions/workflows/cli-jobs-pipelines-with-components-basics-6c_r_iris-pipeline.yml
3. https://github.com/Azure/azureml-examples/actions/workflows/cli-jobs-pipelines-with-components-basics-6c_r_iris-pipeline-registry.yml

Checklist

• I have read the contribution guidelines.
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• I have coordinated with the docs team ([email protected]) if this PR deletes files or changes any file names or file extensions.
• Pull request includes test coverage for the included changes.
• This notebook or file is added to the CODEOWNERS file, pointing to the author or the author's team.

[saanikaguptamicrosoft]

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