Update psr/log from 1.0.2 to 1.1.3

[violinist-bot]

If you have a high test coverage index, and your tests for this pull request are passing, it should be both safe and recommended to merge this update.

Here is a list of changes between the version you use, and the version this pull request updates to:

• 0f73288 Merge pull request #70 from greg0ire/better-typehints
• 587a6ac Be explicit about mixed context elements
• e1cb6ec Use PSR-4 for all classes (#69)
• 5628725 Create .gitattributes (#67)
• 446d54b Add "exception"-context array key to docs
• d477130 Merge pull request #66 from WyriHaximus-labs/extract-DummyTest-into-its-own-file-and-return-empty-string-from-___toString
• 79736b4 Return string from DummyTest::__toString
• bf73deb Merge pull request #55 from DQNEO/namespaced-phpunit
• bb2d0b3 Remove alias as PHPUnit 4.8.35+ ships with it which is supporting PHP 5.3
• 41b769c Merge pull request #63 from ArturGoldyn/patch-1
• fb0003b Merge pull request #51 from Fleshgrinder/throws-annoation
• e50f69c Remove redundant leading backslashes
• db36f22 Update TestLogger.php
• c4421fc Merge pull request #58 from lyrixx/patch-1
• b460f19 Bump version to 1.1.x-dev
• 6c001f1 Merge pull request #57 from gmponos/patch-2
• f6453a8 Merge pull request #54 from RGustBardon/master
• 8fcc182 Create a new TestLogger
• 2d7be5c make alias from old one
• 1be9964 make alias when new class does not exist
• 3490ba5 Merge pull request #53 from freekmurze/patch-1
• e2250cd fix white space
• f7e1ff5 avoid side effect
• c831756 use namespaced PHPUnit and keep B.C.
• d6f3561 Test if the context array accepts closed resources
• 30461e1 Make it a little bit easier to install this package
• 4aa23b5 Added throws annoation to log methods

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