Bump nameko from 2.9.0 to 2.14.0 in /services/_users_deprecated

Bumps [nameko](https://github.com/nameko/nameko) from 2.9.0 to 2.14.0.
- [Release notes](https://github.com/nameko/nameko/releases)
- [Changelog](https://github.com/nameko/nameko/blob/master/CHANGES)
- [Commits](nameko/nameko@v2.9.0...v2.14.0)

---
updated-dependencies:
- dependency-name: nameko
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

services/_users_deprecated/requirements.txt

@@ -14,7 +14,7 @@ Mako==1.0.7
 MarkupSafe==1.0
 marshmallow==2.15.1
 mock==2.0.0
-nameko==2.9.0
+nameko==2.14.0
 nameko-sqlalchemy==1.4.0
 path.py==11.0.1
 pbr==4.0.4

services/_users_deprecated/setup.py

@@ -7,7 +7,7 @@
     description='User Service for openEO',
     packages=find_packages(exclude=['test', 'test.*']),
     install_requires=[
-        'nameko==2.8.5',
+        'nameko==2.14.0',
         'nameko-sqlalchemy==1.3.0',
         'alembic==0.9.9',
         'marshmallow==3.0.0b8',