Client update needed to match REST spec changes

[client-library-maintainer]

A diff between this client library's spec and our hosted spec was found. The client may need an update to match any changes in our API. See the diff below:

--- https://raw.githubusercontent.com/polygon-io/client-python/master/.polygon/rest.json
+++ https://api.polygon.io/openapi
@@ -30631,7 +30631,7 @@
                             "type": "string"
                           },
                           "tag": {
-                            "description": "A specific type within a category. For example \u201cproduct_sales\u201d is a type of revenue stream. A company may have multiple tags within a given category. A taxonomy of tags are determined based on 10k filings.",
+                            "description": "A specific type within a category. For example “product_sales” is a type of revenue stream. A company may have multiple tags within a given category. A taxonomy of tags are determined based on 10k filings.",
                             "type": "string"
                           },
                           "ticker": {