Bump gunicorn from 25.2.0 to 25.3.0

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 25.2.0 to 25.3.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@25.2.0...25.3.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 25.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -505,9 +505,9 @@ greenlet==3.3.2 \
     --hash=sha256:e26e72bec7ab387ac80caa7496e0f908ff954f31065b0ffc1f8ecb1338b11b54 \
     --hash=sha256:e3cb43ce200f59483eb82949bf1835a99cf43d7571e900d7c8d5c62cdf25d2f9
     # via sqlalchemy
-gunicorn==25.2.0 \
-    --hash=sha256:10bd7adb36d44945d97d0a1fdf9a0fb086ae9c7b39e56b4dece8555a6bf4a09c \
-    --hash=sha256:88f5b444d0055bf298435384af7294f325e2273fd37ba9f9ff7b98e0a1e5dfdc
+gunicorn==25.3.0 \
+    --hash=sha256:cacea387dab08cd6776501621c295a904fe8e3b7aae9a1a3cbb26f4e7ed54660 \
+    --hash=sha256:f74e1b2f9f76f6cd1ca01198968bd2dd65830edc24b6e8e4d78de8320e2fe889
     # via -r requirements.in
 identify==2.6.18 \
     --hash=sha256:873ac56a5e3fd63e7438a7ecbc4d91aca692eb3fefa4534db2b7913f3fc352fd \