Add upper pin to deprecated lru-dict

- ``lru-dict`` will be remvoed in web3.py v7. A new minor version is causing some issues with linting. add an upper pin for ``<1.3.0``.

setup.py

@@ -76,7 +76,7 @@
         "eth-utils>=2.1.0",
         "hexbytes>=0.1.0,<0.4.0",
         "jsonschema>=4.0.0",
-        "lru-dict>=1.1.6",
+        "lru-dict>=1.1.6,<1.3.0",
         "protobuf>=4.21.6",
         "pywin32>=223;platform_system=='Windows'",
         "requests>=2.16.0",