added script to bump versions for release (#2239)

So cool

scripts/bump-version.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+git checkout -b "release/$2"
+sed -i '' -e "s/$1/$2/g" VERSION
+sed -i '' -e "s/\"version\": \"$1\"/\"version\": \"$2\"/g" package.json
+sed -i '' -e "s/\"version\": \"$1\"/\"version\": \"$2\"/g" package-lock.json
+sed -i '' -e "s/\"version\": \"$1\"/\"version\": \"$2\"/g" config.yaml
+
+if [[ "$1" != *"-pre"* ]]; then
+  sed -i '' -e "s/v$1/v$2/g" .github/ISSUE_TEMPLATE.md
+fi
+
+git add VERSION package.json package-lock.json config.yaml
+git commit -m "Version bump $2"
+git push --set-upstream origin release/$2
+git push