build: add bump:nightly script (#1632)

scripts/bump-blocksuite.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+LATEST_NIGHTLY=$(npm view @blocksuite/editor@nightly version | cut -d ':' -f 2 | tr -d '[:space:]')
+echo "Bump to latest BlockSuite nightly version: $LATEST_NIGHTLY"
+
+yarn up "@blocksuite/store@${LATEST_NIGHTLY}"
+yarn up "@blocksuite/blocks@${LATEST_NIGHTLY}"
+yarn up "@blocksuite/editor@${LATEST_NIGHTLY}"
+yarn up "@blocksuite/global@${LATEST_NIGHTLY}"