Bump tqdm from 4.62.2 to 4.62.3 in /requirements/CI-tests-pip

Bumps [tqdm](https://github.com/tqdm/tqdm) from 4.62.2 to 4.62.3.
- [Release notes](https://github.com/tqdm/tqdm/releases)
- [Commits](tqdm/tqdm@v4.62.2...v4.62.3)

---
updated-dependencies:
- dependency-name: tqdm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/CI-tests-pip/requirements.txt

@@ -9,5 +9,5 @@ pytest==6.2.5
 pytest-xdist==2.3.0
 seaborn==0.11.2
 sortedcontainers==2.4.0
-tqdm==4.62.2
+tqdm==4.62.3
 tskit==0.3.7