chore: pin flit and flit_core versions to 3.10 in project configuration

Author: MIchaelMainer

pyproject.toml

@@ -1,15 +1,10 @@
 [build-system]
-requires = ["flit_core >=3.2,<4"]
+# When ESRP Release supports License-Expression, update flit_core to use >=3.2,<4
+requires = ["flit_core==3.10"]
 build-backend = "flit_core.buildapi"
 
 [project]
 name = "msgraph-beta-sdk"
-
-# Pin metadata to 2.3 until ESRP Release supports License-Expression over the 
-# deprecated License field. Update License to License-Expression when unpinning 
-# metadata version.
-metadata-version = 2.3
-
 # The SDK version
 # x-release-please-start-version
 version = "1.59.0"

requirements-dev.txt

@@ -16,8 +16,8 @@ cryptography==48.0.0
 Deprecated==1.3.1
 dill==0.4.1
 docutils==0.23
-flit==3.12.0
-flit_core==3.12.0
+flit==3.10.0
+flit_core==3.10.0
 frozenlist==1.8.0
 h11==0.16.0
 h2==4.3.0