requirement: bump executing from 2.0.1 to 2.1.0

Bumps [executing](https://github.com/alexmojaki/executing) from 2.0.1 to 2.1.0.
- [Release notes](https://github.com/alexmojaki/executing/releases)
- [Commits](alexmojaki/executing@v2.0.1...v2.1.0)

---
updated-dependencies:
- dependency-name: executing
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

requirements/dev.txt

@@ -439,9 +439,9 @@ execnet==2.1.1 \
     # via
     #   -r requirements/test.txt
     #   pytest-xdist
-executing==2.0.1 \
-    --hash=sha256:35afe2ce3affba8ee97f2d69927fa823b08b472b7b994e36a52a964b93d16147 \
-    --hash=sha256:eac49ca94516ccc753f9fb5ce82603156e590b27525a8bc32cce8ae302eb61bc
+executing==2.1.0 \
+    --hash=sha256:8d63781349375b5ebccc3142f4b30350c0cd9c79f921cde38be2be4637e98eaf \
+    --hash=sha256:8ea27ddd260da8150fa5a708269c4a10e76161e2496ec3e587da9e3c0fe4b9ab
     # via stack-data
 factory-boy==3.3.1 \
     --hash=sha256:7b1113c49736e1e9995bc2a18f4dbf2c52cf0f841103517010b1d825712ce3ca \