Update behat/behat requirement from ~3.7.0 to ~3.8.1 in /build/integration

Created by: dependabot[bot]

Updates the requirements on behat/behat to permit the latest version.

Release notes

Sourced from behat/behat's releases.

v3.8.1

Fixed

• 1329: Regression when using scalar type hints (@​ciaranmcnulty)

Changelog

Sourced from behat/behat's changelog.

[3.8.1] - 2020-11-07

Fixed

• 1329: Regression when using scalar type hints (@​ciaranmcnulty)

[3.8.0] - 2020-11-01

Added

• 1198: Korean language translations (@​getsolaris)
• 1252: Hungarian language translations (@​kolesar-andras)
• 1217: Bulgarian language translations (@​toni-kolev)
• 1322: Feature title as classname in JUnit output (@​steefmin)
• 1313: PHP 8 support (@​ciaranmcnulty)
• 1313: Further PHP 8 support (@​dgafka)

Fixed

• #1303: Error when running --debug with recent Symfony versions (@​jawira)
• #1311: Remove symfony deprecation messages about transChoice (@​guilliamxavier)
• #1318: Allow negated filters on scenario hoooks (@​andrewnicols )

Changed

• #1299: Removed support for PHP <7.2, Symfony <4.4 (@​upamil)
• #1310: Refactoring to use newer language features (@​rpkamp)
• #1315: Remove BC layer for unsuppored symfony dispatcher (@​rpkamp)
• #1314: Remove BC layer for unsuppored symfony translator (@​rpkamp)
• #1212: Updated composer description (@​tkotosz)
• #1317: Use PHPUnit8 for unit testing (@​phil-davis)

[3.7.0] - 2020-06-03

Added

• #1236: Add support for php 7.4 (@​snapshotpl)

Fixed

• #1270: Fix issues with PHP version handling in build (@​Sam-Burns)
• #1282: Updated the year on Changelog dates (@​choult)
• #1284: Restore PHP 5.3/5.4 compat (@​dvdoug, @​Sam-Burns, @​pamil)

Changed

• #1281: Make container-interop/container-interop optional dependency (@​upyx)

[3.6.1] - 2020-02-06

Fixed

• #1275: fix php 7.1 deprecation for ReflectionType::__toString
• #1278: Fix fatal when unexpected symfony/event-dispatcher version is installed

[3.6.0] - 2020-02-04

Added

... (truncated)

Commits

• fbb0654 Ready for 3.8.1 release
• 547cc1a Merge pull request #1329 from ciaranmcnulty/transformers-scalar-regression
• 42ec3a9 Catch the correct Exception when matching return type transforms
• 6b76871 Reproducer that triggers error
• d2362e6 Merge pull request #1327 from jakzal/github-actions
• 8fb8f0c Migrate builds from Travis CI to GitHub actions
• 304661d Prepare for 3.8.0 release
• c926740 Merge pull request #1326 from ciaranmcnulty/php8
• 926ac7d Allow installation with PHP 8
• b17b5b9 Merge pull request #1323 from dgafka/patch-1
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