Bump markus[datadog] from 5.0.0 to 5.1.0

Bumps [markus[datadog]](https://github.com/willkg/markus) from 5.0.0 to 5.1.0.
- [Changelog](https://github.com/willkg/markus/blob/main/HISTORY.rst)
- [Commits](mozilla-services/markus@v5.0.0...v5.1.0)

---
updated-dependencies:
- dependency-name: markus[datadog]
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.in

@@ -10,7 +10,7 @@ gunicorn==23.0.0
 honcho==2.0.0
 inotify_simple==1.3.5
 jsonschema==4.23.0
-markus[datadog]==5.0.0
+markus[datadog]==5.1.0
 msgpack==1.1.0
 pip-tools==7.4.1
 pytest==8.3.3

requirements.txt

@@ -248,9 +248,9 @@ markupsafe==2.1.1 \
     # via
     #   jinja2
     #   werkzeug
-markus==5.0.0 \
-    --hash=sha256:14fe47ebe3d3447cc5eebcd4691f71e7f38dee6338e4eb5d72d64d67f289c6ff \
-    --hash=sha256:fd0f0de0914a3ae645cc1eac760dca2fa28943fbbb3671692e09916f7f2e2237
+markus==5.1.0 \
+    --hash=sha256:424172efdccc35172b8aadfdcd753412c3ed2b5651c3b3bc9e0b7e7f2e97da52 \
+    --hash=sha256:a4ec2d6bb1dcf471638be11a10cb5708de8cc3092ade9cf3b38bb2f651ede33a
     # via -r requirements.in
 milksnake==0.1.5 \
     --hash=sha256:550ca1fc4222724149ee5a933e6bb8347630c0ed023a2a97701ab94fa256f6b4 \