Bump celery from 5.5.3 to 5.6.0

Bumps [celery](https://github.com/celery/celery) from 5.5.3 to 5.6.0.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/main/Changelog.rst)
- [Commits](celery/celery@v5.5.3...v5.6.0)

---
updated-dependencies:
- dependency-name: celery
  dependency-version: 5.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.in

@@ -1,4 +1,4 @@
-celery==5.5.3
+celery==5.6.0
 minio==7.2.20
 requests==2.32.5
 Flask==3.1.2

requirements.txt

@@ -26,7 +26,7 @@ blinker==1.9.0
     # via flask
 cattrs==25.1.1
     # via requests-cache
-celery==5.5.3
+celery==5.6.0
     # via -r requirements.in
 certifi==2025.8.3
     # via
@@ -59,6 +59,8 @@ email-validator==2.3.0
     # via pydantic
 enum-tools==0.12.0
     # via roc-validator
+exceptiongroup==1.3.1
+    # via celery
 flask==3.1.2
     # via
     #   -r requirements.in
@@ -84,7 +86,7 @@ itsdangerous==2.2.0
     # via flask
 jinja2==3.1.6
     # via flask
-kombu==5.5.4
+kombu==5.6.1
     # via celery
 markdown-it-py==3.0.0
     # via rich
@@ -170,6 +172,7 @@ typing-extensions==4.14.1
     # via
     #   cattrs
     #   enum-tools
+    #   exceptiongroup
     #   minio
     #   pydantic
     #   pydantic-core
@@ -179,6 +182,8 @@ typing-inspection==0.4.2
     # via pydantic
 tzdata==2025.2
     # via kombu
+tzlocal==5.3.1
+    # via celery
 url-normalize==2.2.1
     # via requests-cache
 urllib3==2.5.0