Merge pull request #64 from reedy/patch-1

Update .gitattributes

Author: vearutop

.gitattributes

@@ -2,17 +2,12 @@
 *.serialized    -text
 *.dat           -text
 /.github/ export-ignore
-/tests export-ignore
-/stubs export-ignore
-/tools export-ignore
-/benchmarks export-ignore
+/tests/ export-ignore
+/benchmarks/ export-ignore
 /composer.lock export-ignore
 /.gitattributes export-ignore
 /.gitignore export-ignore
-/.gitmodules export-ignore
 /.scrutinizer.yml export-ignore
-/.travis.yml export-ignore
-/.gitlab-ci.yml
 /phpunit.xml export-ignore
 /phpstan.neon export-ignore
 /changelog.md export-ignore