Add dependencies needed for some ml integration tests

[damccorm]

Right now, our inference postcommit tests aren't running correctly (context - #25496 (comment)), this gets them running.

Fixes #25547

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[damccorm]

Run Python 3.8 PostCommit

[AnandInguva]

Do we want to add these in the test?

Initially, there was a disagreement of adding ML libraries to the apache_beam[test], as it could install lot of unncessary dependencies and also big in size(tensorflow, torch) on to the user machine.

Also, I am removing tensorflow from the python/containers/base_image_requirements_manual.txt since it is blocking the upgrade of protobuf.

[AnandInguva]

I am in favor of adding these dependencies to the respective gradle/tox tasks.

[AnandInguva]

I think they are not getting skipped. They are not visible in Jenkins UI Test Result.

the tests are actually running but not visible in the Jenkins UI. You can look in the console log and search for InferencePostCommitIT in beam_PostCommit_Python37

beam/build.gradle.kts

Line 457 in 977e531

dependsOn(":sdks:python:test-suites:direct:py37:inferencePostCommitIT")

and [beam_PostCommit_Python37](https://ci-beam.apache.org/job/beam_PostCommit_Python39/) test suite

beam/build.gradle.kts

Line 476 in 977e531

dependsOn(":sdks:python:test-suites:direct:py39:inferencePostCommitIT")

.

Console log: https://ci-beam.apache.org/job/beam_PostCommit_Python39/1480/consoleFull

The tests we see in the Test Results UI of jenkins is of the gradle task

beam/build.gradle.kts

Line 470 in 977e531

dependsOn(":sdks:python:test-suites:dataflow:py39:postCommitIT")

. In this gradle task, we skip all the ML tests since they are run on different gradle task InferencePostCommitIT