Update dependency commons-codec:commons-codec to v1.21.0 (#952)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build.gradle

@@ -368,7 +368,7 @@ dependencies {
   implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.17.0'
   implementation group: 'com.github.ben-manes.caffeine', name: 'caffeine', version: '3.2.3'
   implementation group: 'net.logstash.logback', name: 'logstash-logback-encoder', version: '7.4'
-  implementation group: 'commons-codec', name: 'commons-codec', version: '1.19.0'
+  implementation group: 'commons-codec', name: 'commons-codec', version: '1.21.0'
 
   testImplementation libraries.junit5
   testImplementation group: 'org.springframework.boot', name: 'spring-boot-starter-test', {