MAINT: Bump version to v0.3.0

Author: RobPasMue

README.rst

@@ -130,7 +130,7 @@ For example, on Linux with Python 3.8, unzip the wheelhouse archive and install
 
 .. code:: bash
 
-    unzip ansys-dyna-core-v0.3.dev0-wheelhouse-Linux-3.8.zip wheelhouse
+    unzip ansys-dyna-core-v0.3.0-wheelhouse-Linux-3.8.zip wheelhouse
     pip install ansys-dyna-core -f wheelhouse --no-index --upgrade --ignore-installed
 
 If you are on Windows with Python 3.9, unzip the corresponding wheelhouse to a wheelhouse directory