chore(publishing): Update the publish-packages PR title and body

.github/workflows/lerna-release-pr.yml

@@ -61,13 +61,17 @@ jobs:
           # TODO: use a spinnakerbot Personal Access Token
           github-token: '${{ secrets.SPINNAKERBOT_TOKEN }}'
           commit-message: 'chore(package): Publish ${{ steps.bumps.outputs.bumps }}'
-          title: 'chore(package): Publish ${{ steps.bumps.outputs.bumps }}'
+          title: 'Publish packages to NPM'
           body: |
-            chore(package): Publish ${{ steps.bumps.outputs.bumps }}
+            This PR will bump any Deck package(s) that have changes to the next semver version.
+            It also updates dependencies in other packages in the monorepo which depend on the bumped package(s).
+
+            After this PR is merged, Github Actions will publish any bumped packages to the NPM registry.
 
             ${{ steps.bumps.outputs.changelog }}
 
-            Auto-generated by `.github/workflows/lerna-release-pr.yml`
+
+            _Auto-generated by `.github/workflows/lerna-release-pr.yml`_
 
       - name: Approve package bump
         if: ${{ steps.bumps.outputs.bumps != '' }}