🔧(backend) allow all python 3.14 versions

We don't want to restrict to the higher 3.14 version but for all
available 3.14 versions.

src/backend/pyproject.toml

@@ -22,7 +22,7 @@ classifiers = [
 description = "Docs is a collaborative text editor designed to address common challenges in knowledge building and sharing."
 keywords = ["Django", "Contacts", "Templates", "RBAC"]
 license = "MIT"
-requires-python = "~=3.14.6"
+requires-python = "~=3.14.0"
 dependencies = [
     "beautifulsoup4==4.15.0",
     "boto3==1.43.56",

src/backend/uv.lock

@@ -1,6 +1,6 @@
 version = 1
 revision = 3
-requires-python = ">=3.14.6, <3.15"
+requires-python = "==3.14.*"
 
 [[package]]
 name = "amqp"