Use https for Twitter maven repo
### Motivation
Fetch the maven dependencies through HTTPs
Reviewers: Ivan Kelly <ivank@apache.org>, Enrico Olivelli <eolivelli@gmail.com>, Sijie Guo <sijie@apache.org>
This closes #2100 from merlimat/merlimat-patch-1
diff --git a/bookkeeper-stats-providers/twitter-science-provider/pom.xml b/bookkeeper-stats-providers/twitter-science-provider/pom.xml
index e766fe0..33b31de 100644
--- a/bookkeeper-stats-providers/twitter-science-provider/pom.xml
+++ b/bookkeeper-stats-providers/twitter-science-provider/pom.xml
@@ -78,7 +78,7 @@
<id>twitter</id>
<name>Twitter repo</name>
<layout>default</layout>
- <url>http://maven.twttr.com</url>
+ <url>https://maven.twttr.com</url>
</repository>
</repositories>
</project>