[UIMA-6315] Upgrade to Apache UIMA parent pom 13 for https Maven repos

- Upgrade to Apache UIMA parent pom 13
diff --git a/.gitignore b/.gitignore
index 043d64d..76e8f82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 api-change-report
 .factorypath
 issuesFixed
+/bin/
diff --git a/pom.xml b/pom.xml
index edd73c6..fc2a4d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>

     <groupId>org.apache.uima</groupId>

     <artifactId>parent-pom</artifactId>

-    <version>6</version>

+    <version>13</version>

     <relativePath/>

   </parent>