fixup! fixup! fixup! fixup! build: add create release proposal action

Author: RafaelGSS

tools/actions/create-release.sh

@@ -27,7 +27,6 @@ TITLE=$(awk "/^## ${RELEASE_DATE}/ { print substr(\$0, 4) }" "doc/changelogs/CHA
 TEMP_BODY=$(mktemp)
 awk "/## ${RELEASE_DATE}/,/^<a id=/{ if (!/^<a id=/) print }" "doc/changelogs/CHANGELOG_V${RELEASE_LINE}.md" > "$TEMP_BODY"
 
-gh pr create --title "$TITLE" --body-file "$TEMP_BODY"
+gh pr create --title "$TITLE" --body-file "$TEMP_BODY" --base "v$RELEASE_LINE.x"
 
 rm "$TEMP_BODY"
-# TODO: amend with proposal PR