Bump pip from 21.3.1 to 23.3 in /composeml/tests/requirement_files

Bumps [pip](https://github.com/pypa/pip) from 21.3.1 to 23.3.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@21.3.1...23.3)

---
updated-dependencies:
- dependency-name: pip
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

composeml/tests/requirement_files/minimum_test_requirements.txt

@@ -1,7 +1,7 @@
 featuretools==1.27.0
 matplotlib==3.3.3
 pandas==2.0.0
-pip==21.3.1
+pip==23.3
 pyarrow==7.0.0
 pytest-cov==3.0.0
 pytest-xdist==2.5.0