add npm script for bump-versions

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
 
     - name: Bump versions
       run: |
-        node ./bin/github-actions/bump-versions -i patch
+        yarn bump-versions:patch
         sh ./packages/app/bin/github-actions/update-readme.sh
 
     - name: Retrieve information from package.json
@@ -95,8 +95,8 @@ jobs:
 
     - name: Bump versions for next RC
       run: |
-        node ./bin/github-actions/bump-versions -i prerelease
-        node ./bin/github-actions/bump-versions -i prerelease -d packages/slackbot-proxy --preid slackbot-proxy --update-dependencies false
+        yarn bump-versions:rc
+        yarn bump-versions:slackbot-proxy
 
     - name: Retrieve information from package.json
       uses: myrotvorets/info-from-package-json-action@1.1.0

package.json

@@ -35,6 +35,9 @@
     "app:server": "yarn lerna run server --scope @growi/app",
     "slackbot-proxy:build": "yarn lerna run build --scope @growi/slackbot-proxy --scope @growi/slack",
     "slackbot-proxy:server": "yarn lerna run start:prod --scope @growi/slackbot-proxy",
+    "bump-versions:patch": "node ./bin/github-actions/bump-versions -i patch",
+    "bump-versions:rc": "node ./bin/github-actions/bump-versions -i prerelease",
+    "bump-versions:slackbot-proxy": "node ./bin/github-actions/bump-versions -i prerelease -d packages/slackbot-proxy --preid slackbot-proxy --update-dependencies false",
     "//// scripts for backward compatibility": "",
     "build:prod": "echo !!! CAUTION !!! ==> The script 'build:prod' is deprecated. Use 'yarn app:build' instead. && yarn app:build",
     "server:prod": "echo !!! CAUTION !!! ==> The script 'server:prod' is deprecated. Use 'yarn app:build' instead. && yarn app:server"