Bump tomcat-catalina in /content/examples/cdi-ejbcontext-jaas

Bumps tomcat-catalina from 7.0.29 to 7.0.81.

---
updated-dependencies:
- dependency-name: org.apache.tomcat:tomcat-catalina
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/content/examples/cdi-ejbcontext-jaas/pom.xml b/content/examples/cdi-ejbcontext-jaas/pom.xml
old mode 100755
new mode 100644
index e23ab6b..5d40da4
--- a/content/examples/cdi-ejbcontext-jaas/pom.xml
+++ b/content/examples/cdi-ejbcontext-jaas/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>org.apache.tomcat</groupId>
       <artifactId>tomcat-catalina</artifactId>
-      <version>7.0.29</version>
+      <version>7.0.81</version>
       <scope>provided</scope>
     </dependency>
     <dependency>