add fixed datetime version to api and io namespaces for consistency

Author: esoteric-ephemera

mpcontribs-api/pyproject.toml

@@ -16,7 +16,7 @@ include = ["mpcontribs.api"]
 
 [project]
 name = "mpcontribs-api"
-dynamic = ["version"]
+version = "2025.12.04"
 requires-python = ">=3.11"
 description="API for community-contributed Materials Project data"
 license = {text = "MIT"}

mpcontribs-portal/pyproject.toml

@@ -16,7 +16,7 @@ include = ["mpcontribs.portal", "mpcontribs.users"]
 
 [project]
 name = "mpcontribs-portal"
-dynamic = ["version"]
+version = "2025.12.04"
 requires-python = ">=3.11"
 description="MPContribs Portal"
 license = {text = "MIT"}