deps: pip-tools version in requirements, fixes #77

[wesleyboar]

Overview

Fix #77 by updating pip-tools from 7.4.1 to 7.5.2, and pinning the version.¹

Related

• if I performs this change and run the command which updates the requirements.txt, I get deps: pip-tools version in requirements, fixes #77 - and update req.txt #80
• chore: Update versions, readme #78

Testing

1. docker compose build web
2. docker compose run --rm web pip-compile -U requirements.in -o requirements.txt²
3. No error.
4. Has diff bca00eb (from #80).

Footnotes

1. 7.5.0 was inadequate, error still occurred ↩

2. Differs from README command but suggested by contributor in Error Using requirements.in #77 and considered "better" by A.I. (because it overwrites, not appends). ↩