Fix bad swift choice - there's no "5" image

containers/swift/.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-# [Choice] Swift version: 5, 5.2, 5.1, 4.2
+# [Choice] Swift version: 5.2, 5.1, 4.2
 ARG VARIANT=5.2
 FROM swift:${VARIANT}
 
@@ -38,4 +38,4 @@ RUN if [ "$INSTALL_NODE" = "true" ]; then /bin/bash /tmp/library-scripts/node-de
 #     && apt-get -y install --no-install-recommends <your-package-list-here>
 
 # [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1