[skip ci] add new lines

Author: jdaugherty

.github/vote_templates/announce.txt

@@ -20,4 +20,4 @@ Grails Resources:
 - Mailing lists: https://grails.apache.org/community.html
 
 Happy Coding,
-The Apache Grails (incubating) Team
+The Apache Grails (incubating) Team

.github/vote_templates/groovy_pmc.txt

@@ -29,4 +29,4 @@ Our release process, including verification steps, are documented here: https://
 The vote for this release is open for the next 72 hours.
 [ ] +1 Release Apache Grails (incubating) ${VERSION}
 [ ]  0 I don't have a strong opinion about this, but I assume it's ok
-[ ] -1 Do not release Apache Grails (incubating) ${VERSION} because...
+[ ] -1 Do not release Apache Grails (incubating) ${VERSION} because...