fix(deps): update all non-major pep621 dependencies

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

pyproject.toml

@@ -6,10 +6,10 @@ authors = [{ name = "Red Hat App-SRE Team", email = "[email protected]" }]
 license = { text = "Apache 2.0" }
 requires-python = "~= 3.12.0"
 dependencies = [
-    "fastapi ~=0.120.2",
+    "fastapi ~=0.121.1",
     "python-gitlab ~=5.6.0",
     "pydantic ~=2.12.0",
-    "pydantic-settings ~=2.11.0",
+    "pydantic-settings ~=2.12.0",
     "prometheus-client ~=0.23.1",
     "uvicorn ~=0.38.0",
 ]