fix: speakeasy release links

The GitHub releases point to https://pypi.org/project/glean
But the project is actually glean-api-client

Update the package name in speakeasy config to fix this.

Author: david-hamilton-glean

.speakeasy/gen.yaml

@@ -69,7 +69,7 @@ python:
   moduleName: glean.api_client
   outputModelSuffix: output
   packageManager: poetry
-  packageName: glean
+  packageName: glean-api-client
   pytestFilterWarnings: []
   pytestTimeout: 0
   responseFormat: flat