chore: release 2.1.0

[release-please]

🤖 I have created a release *beep* *boop*

2.1.0 (2021-06-16)

Features

• add 'from_service_account_info' factory to clients (cc8a180)
• add common resource helper methods; expose client transport (#55) (8dde55c)
• add from_service_account_info factory and fix sphinx identifiers (#66) (cc8a180)
• support self-signed JWT flow for service accounts (0dcb15e)

Bug Fixes

• add async client to %name_%version/init.py (0dcb15e)
• adds underscore to "type" to NL API samples (#49) (36aa320)
• deps: add packaging requirement (#113) (7e711ac)
• fix sphinx identifiers (cc8a180)
• remove client recv msg limit fix: add enums to types/__init__.py (#62) (3476c0f)
• use correct retry deadlines (#83) (e2be2d8)

Documentation

• fix typos (#125) (788176f)

Miscellaneous Chores

• release as 2.1.0 (#126) (92fa7f9)

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[parthea]

Planning to release early next week

[yoshi-automation]

Release is at https://github.com/googleapis/python-language/releases/tag/v2.1.0

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The release build has started, the log can be viewed here. 🌻

[release-tool-publish-reporter]

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