Bump msgpack in /requirements in the pip group across 1 directory

Bumps the pip group with 1 update in the /requirements directory: [msgpack](https://github.com/msgpack/msgpack-python).


Updates `msgpack` from 1.2.0 to 1.2.1
- [Release notes](https://github.com/msgpack/msgpack-python/releases)
- [Changelog](https://github.com/msgpack/msgpack-python/blob/main/CHANGELOG.md)
- [Commits](msgpack/msgpack-python@v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: msgpack
  dependency-version: 1.2.1
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

requirements/requirements-ubuntu-latest_py3.11_extras.txt

@@ -290,7 +290,7 @@ mp-pyrho==0.5.1
     # via pymatgen-analysis-defects
 mpmath==1.3.0
     # via sympy
-msgpack==1.2.0
+msgpack==1.2.1
     # via
     #   bravado
     #   bravado-core

requirements/requirements-ubuntu-latest_py3.12_extras.txt

@@ -286,7 +286,7 @@ mp-pyrho==0.5.1
     # via pymatgen-analysis-defects
 mpmath==1.3.0
     # via sympy
-msgpack==1.2.0
+msgpack==1.2.1
     # via
     #   bravado
     #   bravado-core

requirements/requirements-ubuntu-latest_py3.13_extras.txt

@@ -286,7 +286,7 @@ mp-pyrho==0.5.1
     # via pymatgen-analysis-defects
 mpmath==1.3.0
     # via sympy
-msgpack==1.2.0
+msgpack==1.2.1
     # via
     #   bravado
     #   bravado-core

requirements/requirements-ubuntu-latest_py3.14_extras.txt

@@ -286,7 +286,7 @@ mp-pyrho==0.5.1
     # via pymatgen-analysis-defects
 mpmath==1.3.0
     # via sympy
-msgpack==1.2.0
+msgpack==1.2.1
     # via
     #   bravado
     #   bravado-core