Bump moto from 5.1.19 to 5.1.20 (#840)

Bumps [moto](https://github.com/getmoto/moto) from 5.1.19 to 5.1.20.
- [Release notes](https://github.com/getmoto/moto/releases)
- [Changelog](https://github.com/getmoto/moto/blob/master/CHANGELOG.md)
- [Commits](getmoto/moto@5.1.19...5.1.20)

---
updated-dependencies:
- dependency-name: moto
  dependency-version: 5.1.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -48,7 +48,7 @@ docs = [
     "sphinx==8.1.3",
 ]
 dev = ["pre-commit>=2.12.1", "typing_extensions; python_version < '3.11'"]
-tests = ["moto==5.1.19", "pytest-cov==7.0.0", "pytest==9.0.2"]
+tests = ["moto==5.1.20", "pytest-cov==7.0.0", "pytest==9.0.2"]
 vis = ["matplotlib", "pydot"]
 fireworks = ["FireWorks"]
 strict = [
@@ -57,7 +57,7 @@ strict = [
     "maggma==0.72.0",
     "matplotlib==3.10.8",
     "monty==2025.3.3",
-    "moto==5.1.19",
+    "moto==5.1.20",
     "networkx==3.4.2",
     "pydantic-settings==2.12.0",
     "pydantic==2.12.5",