"Hook up" new releases' docs

.github/workflows/create-release-docs.yml

@@ -26,6 +26,7 @@ jobs:
         working-directory: rgbds/man
         run: | # The ref appears to be in the format "refs/tags/<version>", so strip that
           ../../rgbds-www/maintainer/man_to_html.sh ${GITHUB_REF##*/} *
+          ../../rgbds-www/maintainer/new_release.sh ${GITHUB_REF##*/}
       - name: Push new pages
         working-directory: rgbds-www
         run: |