Bump nlopt from 2.7.0 to 2.7.1 (#879)

Bumps [nlopt](https://github.com/DanielBok/nlopt-python) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/DanielBok/nlopt-python/releases)
- [Commits](DanielBok/nlopt-python@2.7.0...2.7.1)

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

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

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

requirements.txt

@@ -45,7 +45,7 @@ nbconvert==6.5.0
 nbformat==5.4.0
 nest-asyncio==1.5.5
 neutronics-material-maker==0.1.11
-nlopt==2.7.0
+nlopt==2.7.1
 notebook==6.4.12
 numba==0.55.2
 numba-scipy==0.3.0