Upgrade to Apache Shiro 1.9.1.

Closes #605.

Author: jxblum

pom.xml

@@ -44,7 +44,7 @@
 		<java-module-name>spring.data.geode</java-module-name>
 		<source.level>17</source.level>
 		<antlr.version>2.7.7</antlr.version>
-		<apache-shiro.version>1.8.0</apache-shiro.version>
+		<apache-shiro.version>1.9.1</apache-shiro.version>
 		<cache-api.version>1.1.1</cache-api.version>
 		<log4j.version>2.16.0</log4j.version>
 		<micrometer>1.9.0-M4</micrometer>