Revert "fix(deps): update groovy monorepo (main) (patch) (open-telemetry#11706)"

This reverts commit 40670fb.

Author: zeitlinger

conventions/src/main/kotlin/otel.java-conventions.gradle.kts

@@ -161,7 +161,7 @@ dependencies {
   compileOnly("com.google.errorprone:error_prone_annotations")
 
   codenarc("org.codenarc:CodeNarc:3.4.0")
-  codenarc(platform("org.codehaus.groovy:groovy-bom:3.0.22"))
+  codenarc(platform("org.codehaus.groovy:groovy-bom:3.0.21"))
 
   modules {
     // checkstyle uses the very old google-collections which causes Java 9 module conflict with

dependencyManagement/build.gradle.kts

@@ -13,7 +13,7 @@ val otelContribVersion = "1.36.0-alpha"
 val otelSdkAlphaVersion = otelSdkVersion.replaceFirst("(-SNAPSHOT)?$".toRegex(), "-alpha$1")
 
 // Need both BOM and groovy jars
-val groovyVersion = "4.0.22"
+val groovyVersion = "4.0.21"
 
 // We don't force libraries we instrument to new versions since we compile and test against specific
 // old baseline versions but we do try to force those libraries' transitive dependencies to new