Update .gitpod.Dockerfile

Author: tommygonzaleza

.gitpod.Dockerfile

@@ -1,4 +1,4 @@
 FROM gitpod/workspace-full
 USER gitpod
 RUN pip3 install pytest==4.4.2 pytest-testdox mock
-RUN npm i learnpack@0.1.8 -g && learnpack plugins:install learnpack-python@0.0.34
+RUN npm i learnpack@0.1.12 -g && learnpack plugins:install learnpack-python@0.0.34