release-drafter: Drop BODY & tweak name

The PR bodies are too verbose to be useful in the draft - the links can
be used to get more info.

And the workflow name should be short and iconic, not long and
scriptive, for how it's used in the UI.

.github/release-drafter.yml

@@ -1,7 +1,7 @@
 # https://github.com/marketplace/actions/release-drafter
 name-template: '$NEXT_PATCH_VERSION'
 
-change-template: '* $TITLE: $BODY.  [#$NUMBER](https://github.com/dwijnand/sbt-dynver/pull/$NUMBER) by [@$AUTHOR](https://github.com/$AUTHOR)'
+change-template: '* $TITLE.  [#$NUMBER](https://github.com/dwijnand/sbt-dynver/pull/$NUMBER) by [@$AUTHOR](https://github.com/$AUTHOR)'
 
 categories:
   - title: 'Dependency Updates'

.github/workflows/release-drafter.yml

@@ -1,4 +1,4 @@
-name: Drafts your next release notes as pull requests are merged
+name: Release Drafter
 
 on:
   push: