upgrade go version on gitpod (#11335)

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

.gitpod.Dockerfile

@@ -1,7 +1,15 @@
 FROM gitpod/workspace-full
 
 ENV CUSTOM_NODE_VERSION=16
+ENV CUSTOM_GO_VERSION=1.19
+ENV GOPATH=$HOME/go-packages
+ENV GOROOT=$HOME/go
+ENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH
 
 RUN bash -c ". .nvm/nvm.sh && nvm install ${CUSTOM_NODE_VERSION} && nvm use ${CUSTOM_NODE_VERSION} && nvm alias default ${CUSTOM_NODE_VERSION}"
 
 RUN echo "nvm use default &>/dev/null" >> ~/.bashrc.d/51-nvm-fix
+RUN curl -fsSL https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz | tar xzs \
+    && printf '%s\n' 'export GOPATH=/workspace/go' \
+                      'export PATH=$GOPATH/bin:$PATH' > $HOME/.bashrc.d/300-go
+