Drop Python 3.10

Python 3.11 is the minimum runtime for 2026.2 (Hibiscus) and
add Python 3.14.

https://governance.openstack.org/tc/reference/runtimes/2026.2.html

Change-Id: Iab53036666ead34da791969f424a6a86e4b56058
Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

pyproject.toml

@@ -11,7 +11,7 @@ authors = [
 readme = {file = "README.rst", content-type = "text/x-rst"}
 license = {text = "Apache-2.0"}
 dynamic = ["version", "dependencies"]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 classifiers = [
   "Environment :: OpenStack",
   "Intended Audience :: Information Technology",
@@ -20,10 +20,10 @@ classifiers = [
   "Operating System :: POSIX :: Linux",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: Implementation :: CPython",
 ]

releasenotes/notes/drop-python-3-10-bffe3037bd239373.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - Support for Python 3.10 has been dropped.
+
+features:
+  - Added support for Python 3.14.