HADOOP-18099. Upgrade bundled Tomcat to 8.5.75 (#3947)

Co-authored-by: Ashutosh Gupta <ashugpt@amazon.com>
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>

hadoop-project/pom.xml

@@ -99,7 +99,7 @@
     <curator.version>2.13.0</curator.version>
     <findbugs.version>3.0.5</findbugs.version>
 
-    <tomcat.version>8.5.43</tomcat.version>
+    <tomcat.version>8.5.75</tomcat.version>
     <joda-time.version>2.9.4</joda-time.version>
 
     <!-- Required for testing LDAP integration -->