Merge branch 'master' into dependabot/gradle/org.apache.logging.log4j-log4j-api-2.20.0

Author: 8bitbuddhist

.github/workflows/gradle.yml

@@ -16,6 +16,6 @@ jobs:
        java-version: '15'
        cache: 'gradle'
     - name: Gradle wrapper validation
-      uses: gradle/[email protected].4
+      uses: gradle/[email protected].6
     - name: Build with Gradle
       run: ./gradlew build

build.gradle

@@ -24,7 +24,7 @@ dependencies {
     // Project-specific dependencies    
     // Log4j 2
     compile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.20.0'
-    compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.17.2'
+    compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.20.0'
 
     // For Log4j2 Async Logging
     compile group: 'com.lmax', name: 'disruptor', version: '3.4.4'