Fix pyenv installation for devcontainer (#936)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: TimPansino

.devcontainer/Dockerfile

@@ -11,4 +11,12 @@ RUN mkdir -p ${HOME} && \
     groupadd --gid ${GID} vscode && \
     useradd --uid ${UID} --gid ${GID} --home ${HOME} vscode && \
     chown -R ${UID}:${GID} /home/vscode
+
+# Move pyenv installation
+ENV PYENV_ROOT="${HOME}/.pyenv"
+ENV PATH="$PYENV_ROOT/bin:$PYENV_ROOT/shims:${PATH}"
+RUN mv /root/.pyenv /home/vscode/.pyenv && \
+    chown -R vscode:vscode /home/vscode/.pyenv
+
+# Set user
 USER ${UID}:${GID}