Update .gitpod.yml (#3656)

Signed-off-by: Nok Lam Chan <nok.lam.chan@quantumblack.com>

.gitpod.yml

@@ -8,6 +8,7 @@ tasks:
       pip install -e /workspace/kedro[test]
       cd /workspace
       kedro new --name project -s spaceflights-pandas --checkout main
+      pip install -e project
       cd /workspace/kedro
       pre-commit install --install-hooks