Remove the vendor directory in .gitignore as these dependencies are needed for php-imap

plugins/php-imap/vendor/symfony/clock/CHANGELOG.md

@@ -0,0 +1,25 @@
+CHANGELOG
+=========
+
+7.1
+---
+
+ * Add `DatePoint::getMicrosecond()` and `DatePoint::setMicrosecond()`
+
+6.4
+---
+
+ * Add `DatePoint`: an immutable DateTime implementation with stricter error handling and return types
+ * Throw `DateMalformedStringException`/`DateInvalidTimeZoneException` when appropriate
+ * Add `$modifier` argument to the `now()` helper
+
+6.3
+---
+
+ * Add `ClockAwareTrait` to help write time-sensitive classes
+ * Add `Clock` class and `now()` function
+
+6.2
+---
+
+ * Add the component