phpsh: 1.3.4 -> 1.3.5

* d8ba6e34ea: Don't crash if 'HOME' is unset in env. Bump version to 1.3.5.
  Fixes <https://bugzilla.wikimedia.org/show_bug.cgi?id=62240>.

Change-Id: I851ef5da0398f7d354d49eb24d6d16c77e4d9210