Added default client version for docker builds

We don't have git available inside the container for docker test/builds
for the client, so we can fall back to a default version.

client/pyproject.toml

@@ -59,6 +59,8 @@ datalake = "datalake.scripts.cli:cli"
 [tool.setuptools.packages.find]
 exclude = ["test"]
 
+[tool.versioningit]
+default-version = "0.0.0-dev"
 
 [tool.versioningit.format]
 distance = "{base_version}+{distance}.{vcs}{rev}"
@@ -74,4 +76,4 @@ distance-dirty = "{base_version}+{distance}.{vcs}{rev}.dirty"
 addopts = "--cov=planet.mc_client --cov-config .coveragerc"
 markers = [
   "slow: marks tests as slow (deselect with '-m \"not slow\"')"
-]
+]