Revert "Update Apache HttpClient to 5.2.1"

This reverts commit 56d9d2c.

We will upgrade later.

build.gradle

@@ -45,13 +45,12 @@ configurations {
 
 dependencies {
     shadow gradleApi()
-    implementation 'org.apache.httpcomponents.client5:httpclient5:5.2.1'
+    implementation 'org.apache.httpcomponents.client5:httpclient5:5.1.3'
 
     // Disable logging. This avoids slf4j warning and might also improve download performance.
     // See issue 141 (https://github.com/michel-kraemer/gradle-download-task/issues/141)
     implementation 'org.slf4j:slf4j-nop:2.0.6'
 
-    testImplementation "commons-codec:commons-codec:1.15"
     testImplementation "commons-io:commons-io:2.11.0"
     testImplementation "com.github.tomakehurst:wiremock-jre8:2.35.0"
     testImplementation "org.assertj:assertj-core:3.23.1"