fix make notes version parsing for bump-my-version

Author: pacrob

Makefile

@@ -71,7 +71,7 @@ package-test: clean
 
 notes: check-bump
 	# Let UPCOMING_VERSION be the version that is used for the current bump
-	$(eval UPCOMING_VERSION=$(shell bump-my-version show --increment $(bump) new_version))
+	$(eval UPCOMING_VERSION=$(shell bump-my-version bump --dry-run $(bump) -v | awk -F"'" '/New version will be / {print $$2}'))
 	# Now generate the release notes to have them included in the release commit
 	towncrier build --yes --version $(UPCOMING_VERSION)
 	# Before we bump the version, make sure that the towncrier-generated docs will build