Bump neo4j-driver from 1.7.4 to 1.7.5 in /backend

Created by: Tirokk

Authored by dependabot-preview[bot] May 27, 2019 Merged Aug 2, 2019

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Bumps neo4j-driver from 1.7.4 to 1.7.5.

Release notes

Sourced from neo4j-driver's releases.

1.7.5

Changelog is available here.

Commits

• 1a6e4d7 Merge pull request #466 from ali-ince/1.7-connection-leak-fix
• 528294c Increase test timeouts
• 0d66ce9 Fix an issue in error handling when pool is purged
• 8ac9bbb Merge pull request #465 from ali-ince/1.7-connection-leak
• 3d7de3f Fix how underlying connection is fetched in the test
• 8f5810f Fix a connection leak issue for idle connections in the pool
• 17f6de3 Merge pull request #463 from ali-ince/1.7-text-encoding
• 1246b61 Replace text-encoding dependency with text-encoding-utf-8
• 8293b47 Merge pull request #462 from ali-ince/1.7-upgrade-deps
• 9342370 Remove finally in promise chaining
• Additional commits viewable in compare view

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