Fix duplicate logging binding problem

pgpainless-cert-d-cli/build.gradle

@@ -4,6 +4,7 @@
 
 plugins {
     id 'application'
+    id "com.github.johnrengelman.shadow" version "6.1.0"
 }
 
 group 'org.pgpainless'
@@ -18,7 +19,7 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"
 
     // Logging
-    testImplementation "ch.qos.logback:logback-classic:$logbackVersion"
+    implementation ("org.slf4j:slf4j-nop:$slf4jVersion")
 
     // pgp.cert.d using PGPainless
     implementation project(":pgpainless-cert-d")
@@ -36,8 +37,13 @@ test {
 
 mainClassName = 'pgp.cert_d.cli.PGPCertDCli'
 
+application {
+    mainClass = mainClassName
+}
+
+/*
 jar {
-    dependsOn(":pgpainless-cert-d:assemble")
+    dependsOn(":pgpainless-cert-d:jar")
     manifest {
         attributes 'Main-Class': "$mainClassName"
     }
@@ -52,4 +58,5 @@ jar {
         exclude "META-INF/*.RSA"
     }
 }
+ */