Does not support Java 19

[lancehudson]

Describe the bug
Does not support Java 19

To Reproduce
Steps to reproduce the behavior:

java -classpath ../okta-aws-cli-3.0.0.jar com.okta.tools.WithOkta aws sts get-caller-identity

Returns

Exception in thread "main" java.lang.ExceptionInInitializerError
	at com.okta.tools.OktaAwsConfig.runProgram(OktaAwsConfig.java:91)
	at com.okta.tools.OktaAwsConfig.lambda$deferProgram$2(OktaAwsConfig.java:86)
	at com.okta.tools.authentication.OktaAuthentication.getPassword(OktaAuthentication.java:169)
	at com.okta.tools.authentication.OktaAuthentication.getPrimaryAuthResponse(OktaAuthentication.java:127)
	at com.okta.tools.authentication.OktaAuthentication.getOktaSessionToken(OktaAuthentication.java:51)
	at com.okta.tools.saml.OktaSaml.getSamlResponse(OktaSaml.java:47)
	at com.okta.tools.OktaAwsCliAssumeRole.doRequest(OktaAwsCliAssumeRole.java:132)
	at com.okta.tools.OktaAwsCliAssumeRole.run(OktaAwsCliAssumeRole.java:102)
	at com.okta.tools.WithOkta.main(WithOkta.java:28)
Caused by: java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 2
	at java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:55)
	at java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:52)
	at java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:213)
	at java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:210)
	at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:98)
	at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckFromToIndex(Preconditions.java:112)
	at java.base/jdk.internal.util.Preconditions.checkFromToIndex(Preconditions.java:349)
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:4602)
	at java.base/java.lang.String.substring(String.java:2715)
	at org.apache.commons.lang.SystemUtils.getJavaVersionAsFloat(SystemUtils.java:1133)
	at org.apache.commons.lang.SystemUtils.<clinit>(SystemUtils.java:818)
	... 9 more

when using

openjdk version "19" 2022-09-20
OpenJDK Runtime Environment Homebrew (build 19)
OpenJDK 64-Bit Server VM Homebrew (build 19, mixed mode, sharing)

Expected behavior
Not Error