Adds a helper script for "devcontainer upgrades" (#955)

* Add a script to upgrade lockfiles for all images

* Adds a helper script for devcontainer upgrades

* remove stale file

Author: samruddhikhandale

build/upgrade-lockfiles.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Pass image name to upgrade only a single image, else it upgrades all the images
+IMAGE_NAME=$1
+workspaceFolder="/workspaces/images/src"
+
+if [ ! -z "$IMAGE_NAME" ]; then
+  echo "-----------------------------------------------"
+	echo "Upgrading image $IMAGE_NAME"
+	echo "-----------------------------------------------"
+  devcontainer upgrade --workspace-folder "${workspaceFolder}/${IMAGE_NAME}/"
+  exit 0
+fi
+
+for dir in /workspaces/images/src/*/
+do
+  cd "${dir}"
+  image=$(basename $dir)
+  echo "-----------------------------------------------"
+  echo "Upgrading image $image"
+  echo "-----------------------------------------------"
+  devcontainer upgrade --workspace-folder .
+  cd ..
+done