HADOOP-18099. Upgrade bundled Tomcat to 8.5.75

[ashutoshcipher]

Description of PR

Upgrade bundled Tomcat to 8.5.75

• JIRA: HADOOP-18099

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	8m 37s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s		The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
			_ branch-2.10 Compile Tests _
+1 💚	mvninstall	14m 20s		branch-2.10 passed
+1 💚	compile	0m 20s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	compile	0m 18s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	mvnsite	0m 22s		branch-2.10 passed
+1 💚	javadoc	0m 23s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	0m 18s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 13s		the patch passed
+1 💚	compile	0m 14s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javac	0m 14s		the patch passed
+1 💚	compile	0m 12s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	javac	0m 12s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	0m 15s		the patch passed
+1 💚	xml	0m 1s		The patch has no ill-formed XML file.
+1 💚	javadoc	0m 14s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	0m 12s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
			_ Other Tests _
+1 💚	unit	0m 12s		hadoop-project in the patch passed.
+1 💚	asflicense	0m 24s		The patch does not generate ASF License warnings.
		30m 0s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3947/1/artifact/out/Dockerfile
GITHUB PR	#3947
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient codespell xml
uname	Linux 03a75ed98ffd 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-2.10 / 58033cb
Default Java	Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Multi-JDK versions	/usr/lib/jvm/zulu-7-amd64:Azul Systems, Inc.-1.7.0_262-b10 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3947/1/testReport/
Max. process+thread count	93 (vs. ulimit of 5500)
modules	C: hadoop-project U: hadoop-project
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3947/1/console
versions	git=2.17.1 maven=3.6.0
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

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[aajisaka]

LGTM. +1