chore(deps): update dependency prometheus-client to ~=0.21.1 (#763)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: flavienSindou <[email protected]>

Author: renovate[bot]

requirements.txt

@@ -9,7 +9,7 @@ pydantic~=2.10.4
 requests~=2.32.2
 setuptools~=71.1.0
 cachetools~=5.5.0
-prometheus-client~=0.20.0
+prometheus-client~=0.21.1
 opentelemetry-api~=1.22.0
 opentelemetry-sdk~=1.22.0
 deprecation~=2.1.0

setup.cfg

@@ -45,7 +45,7 @@ install_requires =
     requests~=2.32.2
     setuptools~=71.1.0
     cachetools~=5.5.0
-    prometheus-client~=0.20.0
+    prometheus-client~=0.21.1
     opentelemetry-api~=1.22.0
     opentelemetry-sdk~=1.22.0
     deprecation~=2.1.0