Bump java-string-similarity from 1.1.0 to 1.2.1 (#4878)

Bumps [java-string-similarity](https://github.com/tdebatty/java-string-similarity) from 1.1.0 to 1.2.1.
- [Release notes](https://github.com/tdebatty/java-string-similarity/releases)
- [Commits](tdebatty/java-string-similarity@v1.1.0...v1.2.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

build.gradle

@@ -112,7 +112,7 @@ dependencies {
     compile "org.libreoffice:unoil:6.2.2"
 
     compile 'io.github.java-diff-utils:java-diff-utils:4.0'
-    compile 'info.debatty:java-string-similarity:1.1.0'
+    compile 'info.debatty:java-string-similarity:1.2.1'
 
     antlr3 'org.antlr:antlr:3.5.2'
     compile 'org.antlr:antlr-runtime:3.5.2'