Bump dennis from 1.0.0 to 1.1.0 in /requirements (#19393)

Bumps [dennis](https://github.com/mozilla/dennis) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/mozilla/dennis/releases)
- [Changelog](https://github.com/mozilla/dennis/blob/main/CHANGELOG)
- [Commits](https://github.com/mozilla/dennis/compare/v1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: dennis
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

requirements/prod.txt

@@ -250,9 +250,9 @@ click-plugins==1.1.1 \
 colorgram.py==1.2.0 \
     --hash=sha256:e990769fa6df7261a450c7d5bef3a1a062f09ba1214bff67b4d6f02970a1a27b \
     --hash=sha256:e77766a5f9de7207bdef8f1c22a702cbf09630eae3bc46a450b9d9f12a7bfdbf
-dennis==1.0.0 \
-    --hash=sha256:07381af4e0c16340186446313ad72937a6188b68022e5961f1a35da67e4d3610 \
-    --hash=sha256:9691317bbea10494080395e2a310c372377a5a85de8a3d6388c706c0aa551145
+dennis==1.1.0 \
+    --hash=sha256:305ec6531b49edaf0434cb19b5498b7d66870e229234672cfad6a95811b9d66c \
+    --hash=sha256:8cfa89acbee5acd3e70714fbc45d9dc23446a2418624c17b1dcfdf0bdd33bbe0
 Deprecated==1.2.13 \
     --hash=sha256:64756e3e14c8c5eea9795d93c524551432a0be75629f8f29e67ab8caf076c76d \
     --hash=sha256:43ac5335da90c31c24ba028af536a91d41d53f9e6901ddb021bcc572ce44e38d