Hotfix version

Signed-off-by: Martin Weise <martin.weise@tuwien.ac.at>

.docs/index.md

@@ -14,7 +14,7 @@ author: Martin Weise
 ![Maintainability Rating](./images/maintainability.svg)
 ![Security Rating](./images/security.svg)
 
-Documentation for version: [v1.7.2](https://gitlab.phaidra.org/fair-data-austria-db-repository/fda-services/-/releases).
+Documentation for version: [v1.7.3](https://gitlab.phaidra.org/fair-data-austria-db-repository/fda-services/-/releases).
 
 DBRepo is a repository for data in databases that are used from the beginning until the end of a research 
 project supporting data evolution, -citation and -versioning. It implements the query store of the