Support python 3.12 for terraform.py in regex expression

[enrico9034]

What type of PR is this?

/kind api-change

/kind bug

/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:

With new changes in pyhton3.12, we need to use a raw string in regex to use backslash-character.
So I changed to use the terraform.py script without issue when you use Python 3.12.
Python 3.12 Language Changes

Which issue(s) this PR fixes:

Fixes #11772

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Fix terraform.py on python >=3.12

[linux-foundation-easycla]

• ✅login: enrico9034 / (4ddba70)

The committers listed above are authorized under a signed CLA.

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[k8s-ci-robot]

Hi @enrico9034. Thanks for your PR.

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[yankay]

/ok-to-test

[kundan2707]

Changes are OK as per python 3.12 documentation.
Thanks

[kundan2707]

/lgtm

[VannTen]

/approve
/release-note-edit release-note Fix terraform.py on python >=3.12

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: enrico9034, VannTen

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[VannTen]

/retest-failed