Bump options from 1.0.5 to 2.0.0

Bumps [options](https://github.com/plume-lib/options) from 1.0.5 to 2.0.0.
- [Release notes](https://github.com/plume-lib/options/releases)
- [Changelog](https://github.com/plume-lib/options/blob/master/CHANGELOG.md)
- [Commits](plume-lib/options@v1.0.5...v2.0.0)

---
updated-dependencies:
- dependency-name: org.plumelib:options
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -49,7 +49,7 @@ dependencies {
     implementation files("${checkerJar}")
     implementation group: 'com.google.errorprone', name: 'javac', version: "$errorproneJavacVersion"
 
-    implementation 'org.plumelib:options:1.0.5'
+    implementation 'org.plumelib:options:2.0.0'
     implementation 'org.plumelib:plume-util:1.5.8'
 
     implementation 'com.google.guava:guava:31.0.1-jre'