[BEAM-12411] Cherry-pick #14888: Update Tensorflow to version 2.5.0 & grpcio to 1.34.0

[aaltay]

Update Tensorflow to version 2.5.0 & grpcio to 1.34.0 from: #14888

Why cherry-pick? it is a security related upgrade.

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ValidatesRunner compliance status (on master branch)

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---			---		---
Java
Python	---			---		---
XLang				---		---

Examples testing status on various runners

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---	---	---	---	---	---	---
Java	---		---	---	---	---	---
Python	---	---	---	---	---	---	---
XLang	---	---	---	---	---	---	---

Post-Commit SDK/Transform Integration Tests Status (on master branch)

Go	Java	Python

Pre-Commit Tests Status (on master branch)

---	Java	Python	Go	Website	Whitespace	Typescript
Non-portable
Portable	---			---	---	---

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GitHub Actions Tests Status (on master branch)

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[apilloud]

LGTM

[codecov]

Codecov Report

Merging #14993 (a1c6f68) into release-2.31.0 (df78d07) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@                Coverage Diff                 @@
##           release-2.31.0   #14993      +/-   ##
==================================================
- Coverage           83.89%   83.79%   -0.10%     
==================================================
  Files                 438      435       -3     
  Lines               59473    58423    -1050     
==================================================
- Hits                49893    48957     -936     
+ Misses               9580     9466     -114     

Impacted Files	Coverage Δ
...on/apache_beam/runners/portability/spark_runner.py	53.65% <0.00%> (-15.91%)	⬇️
sdks/python/apache_beam/utils/interactive_utils.py	87.80% <0.00%> (-7.32%)	⬇️
...thon/apache_beam/runners/portability/job_server.py	65.26% <0.00%> (-3.16%)	⬇️
sdks/python/apache_beam/internal/pickler.py	86.76% <0.00%> (-2.25%)	⬇️
sdks/python/apache_beam/dataframe/frames.py	93.93% <0.00%> (-1.38%)	⬇️
...pache_beam/runners/interactive/interactive_beam.py	74.72% <0.00%> (-1.10%)	⬇️
...eam/runners/portability/fn_api_runner/fn_runner.py	89.85% <0.00%> (-0.96%)	⬇️
sdks/python/apache_beam/io/localfilesystem.py	91.47% <0.00%> (-0.78%)	⬇️
...runners/interactive/display/pcoll_visualization.py	85.18% <0.00%> (-0.53%)	⬇️
...dks/python/apache_beam/options/pipeline_options.py	94.67% <0.00%> (-0.49%)	⬇️
... and 18 more

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[apilloud]

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