Add script for updating versions:

scripts/update_versions.sh

@@ -0,0 +1,78 @@
+#!/bin/sh
+set -e
+
+LIGHT_BLUE='\033[1;34m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+# Function to echo unreleased changes from CHANGELOG.md
+echo_unreleased_changes() {
+  local changelog_file="$1"
+
+  # Check if the provided argument is a valid file
+  if [ ! -f "$changelog_file" ]; then
+    echo "Changelog doesn't exist"
+    return 1
+  fi
+
+  # Use sed to extract the line number of the start and end of the unreleased changes
+  local start_line=$(sed -n '/## \[Unreleased\]/=' "$changelog_file")
+  local end_line=$(sed -n '/## \[/=' "$changelog_file" | sed -n 2p)
+
+  # Use awk to extract the unreleased changes
+  local changes=$(awk "NR > $start_line && NR < $end_line" "$changelog_file")
+
+  # Check if there are any changes
+  if [ -z "$changes" ]; then
+    echo "No unreleased changes found. Please include some changes and try again"
+    exit 1
+  else
+    echo "Unreleased Changes:\n${LIGHT_BLUE}$changes${NC}\n"
+  fi
+}
+
+prepare_package_release() {
+  local dir="$1"
+
+  # Check if the provided argument is a valid file
+  if [ ! -d "$dir" ]; then
+    echo "Expected $dir to be a directory"
+    exit 1
+  fi
+
+  # Movde into the directory in the path
+  cd "$dir"
+
+  # Get the version from package.json
+  VERSION=$(jq -r '.version' package.json)
+  NAME=$(jq -r '.name' package.json)
+
+  # Check if the version is a prerelease (ends with a hyphen and one or more digits)
+  if [[ $VERSION =~ -[0-9]+$ ]]; then
+    # Prompt the user for the version bump
+    echo "Please select the version bump for ${YELLOW}$NAME${NC}"
+    echo_unreleased_changes "./CHANGELOG.md"
+    read -p "Version bump (major, minor or patch): " BUMP
+
+    # Update the package.json version
+    yarn version $BUMP
+
+    # Run the changelog:release command
+    yarn changelog:release
+  fi
+
+  # Back to previous dir
+  cd -
+}
+
+## Warning this will not automatically update packages that just have dependency changes
+## E.g. when @subql/common is updated, @subql/common-substrate should also be updated
+## It also doesn't do things in order of dependencies
+for dir in packages/*; do
+  # Check the path is a directory and is tracked by git
+  if [ -d "$dir" ] && [[ $(git ls-files "$dir") ]]; then
+    prepare_package_release "$dir"
+  fi
+done
+
+# prepare_package_release "$1"