Ignore site-deploy failure

Author: andreoss

.rultor.yml

@@ -38,6 +38,6 @@ release:
     mvn versions:set "-DnewVersion=${tag}" -e
     git commit -am "${tag}"
     mvn clean deploy -Pqulice -Psonatype -Pjcabi --errors --settings ../settings.xml
-    mvn clean site-deploy -Psite --errors -Pjcabi --settings ../settings.xml
+    mvn clean site-deploy -Psite --errors -Pjcabi --settings ../settings.xml || true
   commanders:
   - yegor256