gh-72496: Implemented patch to improve performance of string.Template

[delta1513]

Implemented the patchfile from BPO 28309

Fixes #72496

As also noted in the issue thread, I noticed no performance improvements on my machine so someone else may want to verify whether these changes are actually beneficial.

• Issue: Accelerate string.Template by using formatted string literals #72496

[bedevere-bot]

Most changes to Python require a NEWS entry.

Please add it using the blurb_it web app or the blurb command-line tool.

[ghost]

All commit authors signed the Contributor License Agreement.

[furkanonder]

LGTM. @delta1513 Can you sign the the CLA and add a NEWS entry?

[delta1513]

@furkanonder I just realized that my old account @delta1512 (which I have been locked-out of) managed to still be on my system and somehow make its way into the commit and it's asking me to sign with that account.

If necessary I will try and recover the account and sign the CLA, else I'm very sure that I've signed it as @delta1513 if only that is sufficient.

Let me know if there are other options that will make merging this PR easier.

As for the NEWS entry, I have it added. Please let me know if I got the format wrong or need to change anything.

I apologize for the inconvenience, I am much more accustomed to Gitlab 😅

[delta1513]

I just unlinked my old email from @delta1512 because I couldn't recover it.

Let me know if you want me to close and re-submit this PR as @delta1513 only.

Sorry about the lack of activity, totally forgot I had this open. Going to see about getting this fixed up now that this is my main account 👍

[python-cla-bot]

The following commit authors need to sign the Contributor License Agreement:

• [email protected]

[uranusjr]

Looks like the merge commit (made on GitHub?) confused the CLA bot. A local rebasee to remove the commit will probably fix it.

[delta1513]

I've left this too long and I'm unable to get this working.

I think it's best someone else with more experience picks this up since I've rebased locally and a whole bunch of things have broken.