Bump ortools from 9.6.2534 to 9.7.2996 (#3616)

Bumps [ortools](https://github.com/google/or-tools) from 9.6.2534 to 9.7.2996.
- [Release notes](https://github.com/google/or-tools/releases)
- [Commits](https://github.com/google/or-tools/commits)

---
updated-dependencies:
- dependency-name: ortools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -11,7 +11,7 @@ microannotate==0.0.24
 mozci==2.3.2
 numpy==1.22.4
 orjson==3.9.4
-ortools==9.6.2534
+ortools==9.7.2996
 pandas==2.0.3
 psutil==5.9.5
 pydriller==1.12