Upgrade okhttp, kotlin-stdlib, junit fixing vulnerabilities (#1361)

- Upgrade okttp to 4.10.0 fixing Information Exposure vuln

Upgrade com.squareup.okhttp3:okhttp from 4.8.1 to 4.10.0
fixing an information exposure vulnerability:
https://security.snyk.io/vuln/SNYK-JAVA-COMSQUAREUPOKHTTP3-2958044

This indirectly upgrades org.jetbrains.kotlin:kotlin-stdlib from
1.3.72 to 1.6.20 fixing an improper locking vulnerability:
https://nvd.nist.gov/vuln/detail/CVE-2022-24329

- Upgrade to junit 4.13.2 fixing Information Exposure (CVE-2020-15250)

Upgrade junit from 4.13 to 4.13.2 fixing an Information Exposure
vulnerability: https://nvd.nist.gov/vuln/detail/CVE-2020-15250

build.gradle

@@ -53,7 +53,7 @@ subprojects {
     dependencies {
         compile "com.carrotsearch.thirdparty:simple-xml-safe:2.7.1"
         compile "com.google.guava:guava:30.1.1-jre"
-        compile "com.squareup.okhttp3:okhttp:4.8.1"
+        compile "com.squareup.okhttp3:okhttp:4.10.0"
         compile "com.fasterxml.jackson.core:jackson-annotations:2.13.2"
         compile "com.fasterxml.jackson.core:jackson-core:2.13.2"
         compile "com.fasterxml.jackson.core:jackson-databind:2.13.2.2"
@@ -63,7 +63,7 @@ subprojects {
         compileOnly "com.github.spotbugs:spotbugs-annotations:4.1.2"
 
         testImplementation "com.squareup.okhttp3:mockwebserver:4.8.1"
-        testImplementation "junit:junit:4.13"
+        testImplementation "junit:junit:4.13.2"
     }
 
     [compileJava, compileTestJava].each() {
@@ -362,7 +362,7 @@ import org.gradle.internal.os.OperatingSystem;
 
 project(':functional') {
     dependencies {
-        compile "junit:junit:4.13"
+        compile "junit:junit:4.13.2"
         compile project(':api')
         compile project(':adminapi')
     }