use plugin base 4.16.1

Author: seebi

CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 ### Changed
 
 - gitlab: use python image v3.13.12
+- use cmem-plugin-base v4.16.1
 
 
 ## [8.3.2] 2026-03-02

src/pyproject.toml.jinja

@@ -20,7 +20,7 @@ python = "^3.13"{%- else %}
 python = ">=3.13, ^3"{%- endif %}
 
 {% if project_type == 'plugin' -%}[tool.poetry.dependencies.cmem-plugin-base]
-version = "^4.15.0"
+version = "^4.16.1"
 allow-prereleases = false
 
 [tool.poetry.group.dev.dependencies.cmem-cmemc]