chore(deps): bump gunicorn in /tests/apps/dockerfile-release

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 25.3.0 to 26.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](https://github.com/benoitc/gunicorn/compare/25.3.0...26.0.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 26.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

tests/apps/dockerfile-release/Pipfile.lock

@@ -53,20 +53,20 @@
         },
         "gunicorn": {
             "hashes": [
-                "sha256:cacea387dab08cd6776501621c295a904fe8e3b7aae9a1a3cbb26f4e7ed54660",
-                "sha256:f74e1b2f9f76f6cd1ca01198968bd2dd65830edc24b6e8e4d78de8320e2fe889"
+                "sha256:40233d26a5f0d1872916188c276e21641155111c2853f0c2cd55260aec0d24fc",
+                "sha256:ca9346f85e3a4aeeb64d491045c16b9a35647abd37ea15efe53080eb8b090baf"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.10'",
-            "version": "==25.3.0"
+            "version": "==26.0.0"
         },
         "packaging": {
             "hashes": [
-                "sha256:00243ae351a257117b6a241061796684b084ed1c516a08c48a3f7e147a9d80b4",
-                "sha256:b36f1fef9334a5588b4166f8bcd26a14e521f2b55e6b9de3aaa80d3ff7a37529"
+                "sha256:5fc45236b9446107ff2415ce77c807cee2862cb6fac22b8a73826d0693b0980e",
+                "sha256:ff452ff5a3e828ce110190feff1178bb1f2ea2281fa2075aadb987c2fb221661"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==26.0"
+            "version": "==26.2"
         },
         "psycopg2-binary": {
             "hashes": [