change versioning of develop: increase patch number by one

otherwise the >=x.x configuration in petals setup doesn't work

Author: emanuel-schmid

.github/scripts/setup_devbranch.py

@@ -104,8 +104,9 @@ def setup_devbranch():
     Just changes files, all `git` commands are in the setup_devbranch.sh file.
     """
     main_version = get_last_version().strip('v')
-
-    dev_version = f"{main_version}-dev"
+    semver = main_version.split(".")
+    semver[-1] = f"{int(semver[-1]) + 1}-dev"
+    dev_version = ".".join(semver)
 
     update_setup(dev_version)
     update_version(dev_version)

setup.py

@@ -33,7 +33,7 @@
 setup(
     name='climada',
 
-    version='4.0.0-dev',
+    version='4.0.1-dev',
 
     description='CLIMADA in Python',