Bump hiredis from 0.6.1 to 0.6.3

[dependabot-preview[bot]]

Bumps hiredis from 0.6.1 to 0.6.3.

Changelog

Sourced from hiredis's changelog.

0.6.3 (2018-11-08)

• Fix the packaged gem

0.6.2 (2018-11-08)

• Update to use mew hiredis 0.14
• Fix bugs with values being garbage collected while still in use

Commits

• 61bb83e Prepare to 0.6.3
• ce590d8 Prepare to 0.6.2
• a5b018b Merge pull request #53 from maximebedard/bump-to-014
• 5284a04 redisReplyReaderGetObject => redisReaderGetObject
• b25570a Also respect new error message for resolution errors
• 708912d bump to 0.1.14
• 5a5cf1e Merge pull request #51 from pvalena/bump
• c439c4d Merge pull request #52 from mathieujobin/patch-1
• ea7ec6a pick latest revisions
• 8bf7b6a Added ruby 2.4, 2.5, 2.6 to the build matrix.
• Additional commits viewable in compare view

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