Move pytest-timestamper to be a dev dependency (#971)

* Move pytest-timestamper to be a dev dependency

Author: daniel-wer

webknossos/poetry.lock

@@ -64,7 +64,6 @@ JPype1 = { version = "^1.3.0", optional = true }
 pims = { version = "^0.6.0", optional = true }
 tifffile = { version = ">=2021.11.2", optional = true }
 pylibCZIrw = { version = "3.5.2", source = "scm", optional = true }
-pytest-timestamper = "^0.0.9"
 
 [tool.poetry.extras]
 pims = ["pims"]
@@ -92,6 +91,7 @@ pytest-recording = "^0.13.0"
 pytest-split = "^0.8.0"
 pytest-sugar = "^0.9.4"
 pytest-timeout = "^2.1.0"
+pytest-timestamper = "^0.0.9"
 types-python-dateutil = "^0.1.6"
 # packages for examples:
 fastremap = "^1.13.3"