Fix distribution name backports.ssl_match_hostname (#5997)

Bump version number to latest version available on pypi

Turn backports.ssl_match_hostname into a package to match upstream

pyrightconfig.stricter.json

@@ -20,7 +20,7 @@
         "stdlib/xml/sax",
         "stubs/aws-xray-sdk",
         "stubs/babel",
-        "stubs/backports",
+        "stubs/backports.ssl_match_hostname",
         "stubs/backports_abc",
         "stubs/bleach",
         "stubs/boto",
@@ -112,4 +112,4 @@
     // Several stubs refer to symbols in __all__ that are conditionally
     // declared based on platform or version checks.
     "reportUnsupportedDunderAll": "none",
-}
+}

stubs/backports.ssl_match_hostname/METADATA.toml

@@ -0,0 +1,2 @@
+version = "3.7"
+python2 = true

stubs/backports/METADATA.toml

@@ -1,2 +0,0 @@
-version = "0.1"
-python2 = true