Fix unbalanced quote

Author: Aslak Hellesøy

Makefile

@@ -64,7 +64,7 @@ release:
 	  --volume "${shell pwd}/../secrets/import-gpg-key.sh":/home/cukebot/import-gpg-key.sh \
 	  --volume "${shell pwd}/../secrets/codesigning.key":/home/cukebot/codesigning.key \
 	  --volume "${shell pwd}/../secrets/.ssh":/home/cukebot/.ssh \
-	  --volume "${HOME}/.m2"/repository:/home/cukebot/.m2/repository \
+	  --volume "${HOME}/.m2/repository":/home/cukebot/.m2/repository \
 	  --volume "${HOME}/.gitconfig":/home/cukebot/.gitconfig \
 	  --env-file ../secrets/secrets.list \
 	  --user 1000 \