Bump version to 0.12.0

[software-dov]

No description provided.

[codecov]

Codecov Report

Merging #156 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #156   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          22     22           
  Lines        1090   1081    -9     
  Branches      234    230    -4     
=====================================
- Hits         1090   1081    -9

Impacted Files	Coverage Δ
gapic/samplegen/samplegen.py	100% <0%> (ø)	⬆️

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[lukesneeringer]

Leaving this at approved (so you do not have to wait for me again), but note that setup.py says 0.11.1, even though the PR says 0.12.0.

[vchudnov-g]

lgtm, but TAL @ Luke's comment regarding the version in setup.py

[software-dov]

I'll be sure to update the version to 0.12.0 in setup.py. I just want to keep this PR in the chamber, as it were, so that if we ever need to do another version bump quickly there's less hassle.

You've been pre-approved! 💳

[codecov]

Codecov Report

Merging #156 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #156   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          25     25           
  Lines        1197   1197           
  Branches      259    259           
=====================================
  Hits         1197   1197

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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