chore(ci): add github server in settings.xml

Author: calebevans

src/main/resources/settings.xml

@@ -0,0 +1,12 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>github</id>
+      <username>${env.GITHUB_USER}</username>
+      <password>${env.GITHUB_TOKEN}</password>
+    </server>
+  </servers>
+</settings>