Chore: Disallow prerelease resolution in uv (#14296)

uv's default "if-necessary" prerelease policy will silently select a
prerelease package when no stable release satisfies the combined
constraint set, even without an explicit opt-in.  Disallow pre-releases
instead

pyproject.toml

@@ -150,6 +150,7 @@ typing = [
 
 [tool.uv]
 required-version = ">=0.9.0"
+prerelease = "disallow"
 environments = [
   "sys_platform == 'darwin'",
   "sys_platform == 'linux'",

uv.lock

@@ -18,6 +18,9 @@ supported-markers = [
     "sys_platform == 'linux'",
 ]
 
+[options]
+prerelease-mode = "disallow"
+
 [[package]]
 name = "aiohappyeyeballs"
 version = "2.6.1"