chore: release 3.1.0

[release-please]

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

3.1.0 (2021-05-14)

Features

• added Fulfillment service (24327a3)
• added Fulfillment service (b6b4391)
• added location in some resource patterns (b6b4391)
• added more Environment RPCs (#540) (b6b4391)
• added more Environment RPCs for v1beta1 (#543) (24327a3)
• added TextToSpeechSettings (24327a3)
• added TextToSpeechSettings (b6b4391)
• added Versions service (24327a3)
• added Versions service (b6b4391)

Bug Fixes

• removed incorrect resource annotation for UpdateEnvironmentRequest (24327a3)

Dependencies

• update dependency com.google.cloud:google-cloud-shared-dependencies to v1.1.0 (#549) (905ec97)

---

This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

Merging #542 (b37a463) into master (6e41b49) will not change coverage.
The diff coverage is n/a.

❗ Current head b37a463 differs from pull request most recent head cb148f2. Consider uploading reports for the commit cb148f2 to get more accurate results

@@            Coverage Diff            @@
##             master     #542   +/-   ##
=========================================
  Coverage     76.81%   76.81%           
  Complexity     2143     2143           
=========================================
  Files           180      180           
  Lines         14425    14425           
  Branches        193      193           
=========================================
  Hits          11081    11081           
  Misses         3079     3079           
  Partials        265      265           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f2bde77...cb148f2. Read the comment docs.

[release-please]

🤖 Release is at https://github.com/googleapis/java-dialogflow/releases/tag/v3.1.0 🌻

[release-tool-publish-reporter]

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

[release-tool-publish-reporter]

🥚 You hatched a release! The release build finished successfully! 💜