Increment version number for 1.8.19 release.

SpacemanPaul · SpacemanPaul · commit ebcbda708afc · 2021-09-20T13:11:30.000+10:00
diff --git a/datacube_ows/__init__.py b/datacube_ows/__init__.py
@@ -6,4 +6,4 @@
 try:
     from ._version import version as __version__
 except ImportError:
-    __version__ = "1.8.18+?"
+    __version__ = "1.8.19+?"
