Update dependency commons-io:commons-io to v2.21.0 (#5144)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -31,7 +31,7 @@ assertj = { module = "org.assertj:assertj-core", version.ref = "assertj" }
 bndlib = { module = "biz.aQute.bnd:biz.aQute.bndlib", version.ref = "bnd" }
 checkstyle = { module = "com.puppycrawl.tools:checkstyle", version.ref = "checkstyle" }
 classgraph = { module = "io.github.classgraph:classgraph", version = "4.8.184" }
-commons-io = { module = "commons-io:commons-io", version = "2.20.0" }
+commons-io = { module = "commons-io:commons-io", version = "2.21.0" }
 error-prone-contrib = { module = "tech.picnic.error-prone-support:error-prone-contrib", version = "0.26.0" }
 error-prone-core = { module = "com.google.errorprone:error_prone_core", version = "2.44.0" }
 fastcsv = { module = "de.siegmar:fastcsv", version = "4.1.0" }