fix(deps): update dependency @google-cloud/pubsub to ^0.31.0

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@google-cloud/pubsub	dependencies	minor	^0.30.0 -> ^0.31.0
@google-cloud/pubsub	devDependencies	minor	^0.30.0 -> ^0.31.0

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Release Notes

googleapis/nodejs-pubsub

v0.31.0

Compare Source

Features

• debug: capture stack trace in errors rather than message (#​718) (bfed3f1)

0.30.3 (2019-08-03)

Bug Fixes

• allow calls with no request, add JSON proto (1e73a69)

0.30.2 (2019-07-30)

⚠ BREAKING CHANGES

• message: remove nack delay parameter (#​668)

Bug Fixes

• deps: update dependency @​google-cloud/paginator to v2 (#​700) (a5c0160)
• deps: update dependency @​grpc/grpc-js to ^0.5.0 (#​698) (d48e578)
• deps: update dependency @​sindresorhus/is to v1 (#​701) (e715172)
• deps: update dependency google-auth-library to v5 (#​702) (3a15956)
• docs: reference docs should link to section of googleapis.dev with API reference (#​670) (c92a09a)

Reverts

• message: remove nack delay parameter (#​668) (ca8fe65)

0.30.1 (2019-06-21)

Bug Fixes

• deps: include missing @​grpc/grpc-js dependency (#​665) (5f42f60)

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[codecov]

Codecov Report

Merging #814 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #814   +/-   ##
=======================================
  Coverage   94.39%   94.39%           
=======================================
  Files          10       10           
  Lines        1160     1160           
  Branches      288      288           
=======================================
  Hits         1095     1095           
  Misses         37       37           
  Partials       28       28

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