chore: fix exec command

Author: Justin Poehnelt

.releaserc

@@ -14,12 +14,8 @@ plugins:
           from: 'version=".*"'
           to: 'version="${nextRelease.version}"'
   - - "@semantic-release/exec"
-    - prepareCmd:
-        - rm -rf dist
-        - python3 setup.py sdist
-        - python3 -m twine check dist/*
-    - publishCmd:
-        - python3 -m twine upload dist/*
+    - prepareCmd: rm -rf dist && python3 setup.py sdist && python3 -m twine check dist/*
+    - publishCmd: python3 -m twine upload dist/*
   - - "@semantic-release/git"
     - assets:
         - "./googlemaps/__init__.py"