Revert accidental change to eventgrid setup.py

Co-authored-by: l0lawrence <[email protected]>

Author: Copilot

sdk/eventgrid/azure-eventgrid/setup.py

@@ -64,7 +64,7 @@
     install_requires=[
         "isodate>=0.6.1",
         "azure-core>=1.30.0",
-        "typing-extensions==4.6.0",
+        "typing-extensions>=4.6.0",
     ],
     python_requires=">=3.8",
 )