REL: Release v0.1.2

For #43 (closed)

RELEASE_GUIDELINES.md

@@ -20,8 +20,9 @@ guidelines of the CaosDB Project
 
 3. Check all general prerequisites.
 
-4. Prepare [CMakeLists.txt](./CMakeLists.txt): Check the `MAJOR`, `MINOR`, `PATCH`
-   version variables.
+4. Update version numbers:
+   1. In [CMakeLists.txt](./CMakeLists.txt): Check the `MAJOR`, `MINOR`, `PATCH` version variables.
+   2. In `conanfile.py`: Update the `version` variable.
 
 5. Merge the release branch into the main branch.