HADOOP-17796. Upgrade jetty version to 9.4.43 (#3208)

hadoop-project/pom.xml

@@ -37,7 +37,7 @@
     <!--Whether to proceed to next module if any test failures exist-->
     <ignoreTestFailure>true</ignoreTestFailure>
     <maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>
-    <jetty.version>9.4.40.v20210413</jetty.version>
+    <jetty.version>9.4.43.v20210629</jetty.version>
     <test.exclude>_</test.exclude>
     <test.exclude.pattern>_</test.exclude.pattern>