Bump github.com/tendermint/go-amino from 0.12.0 to 0.15.1

[dependabot-preview]

Bumps github.com/tendermint/go-amino from 0.12.0 to 0.15.1.

Release notes

Sourced from github.com/tendermint/go-amino's releases.

v0.15.1

https://github.com/tendermint/go-amino/blob/release/v0.15.1/CHANGELOG.md

v0.15.0

JSON: Skip null fields on decoding when the json:"omitempty" tag is set. This matches the encoding behaviour (#261).

https://github.com/tendermint/go-amino/blob/master/CHANGELOG.md#0150-may-2-2018

v0.14.1

Fix build issues for 32bit platforms and add -concrete-name option to aminoscan.

https://github.com/tendermint/go-amino/blob/master/CHANGELOG.md#0141-november-6-2018

v0.14.0

Changelog: https://github.com/tendermint/go-amino/blob/master/CHANGELOG.md#0140-october-26-2018

v0.13.0

Changelog: https://github.com/tendermint/go-amino/blob/master/CHANGELOG.md#0130-october-15-2018

v0.13.0-rc0

https://github.com/tendermint/go-amino/blob/ff047d9e357e66d937d6900d4a2e04501cc62c70/CHANGELOG.md#0130-october-15-2018

Changelog

Sourced from github.com/tendermint/go-amino's changelog.

0.15.1 (October 10, 2019)

IMPROVEMENTS:

• #289 Return Boolean pointers as non-nil (@​nicolasbrugneaux)
• #282 Improve efficiency of VarintSize()(@​rickyyangz)

0.15.0 (May 2, 2018)

BREAKING CHANGE:

• JSON: Skip null fields on decoding when the json:"omitempty" tag is set.
  This matches the encoding behaviour (#261).

IMPROVEMENTS:

• Amino becomes a go-module (requires go 1.11) but keeps dep support for backwards compatibility (#255).

#255: tendermint/go-amino#255
#261: tendermint/go-amino#261

0.14.1 (November 6, 2018)

IMPROVEMENTS:

• go-amino compiles again on 32-bit platforms (#242)

#242: tendermint/go-amino#242

0.14.0 (October 26, 2018)

BREAKING CHANGE:

• Switch default encoding of unsigned ints (int, int32, int64) to be on par with proto3's variable length
  encoding (of int32, int64) (#237)

#237: tendermint/go-amino#237

0.13.0 (October 15, 2018)

BREAKING CHANGE:

• time.Time: validate seconds since 1970 are in valid range during encoding; i.e. in the interval [-62135596800, 253402300800)
• time.Time: match encoding of time.Time to protobuf's well known type Timestamp
• Rename MarshalBinary to MarshalBinaryLengthPrefixed (#222)

IMPROVEMENTS:

... (truncated)

Commits

• af63998 remove changelog entry
• c5b21a4 changelog fix
• 47cebd8 cherry2
• b4d129b cherry
• 3d0675e faster VarintSize() (#282)
• c666557 RC-1 0.16
• 716e340 Fix dead link to Tendermint Amino spec (#265)
• 6423ac6 Merge pull request #271 from tendermint/develop
• a159742 Prepare release and fix an issue with go-modules and the fuzzer (see: (#264)
• fc5dc13 Omitempty on JSON decoder (#262)
• Additional commits viewable in compare view

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Superseded by #26.