fix(deps): update dependency com.github.spotbugs.snom:spotbugs-gradle-plugin to v6.0.21

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

app/build.gradle

@@ -16,7 +16,7 @@ import org.gradle.internal.jvm.Jvm
 buildscript {
     dependencies {
         classpath "com.android.tools.build:gradle:$androidPluginVersion"
-        classpath 'com.github.spotbugs.snom:spotbugs-gradle-plugin:6.0.20'
+        classpath 'com.github.spotbugs.snom:spotbugs-gradle-plugin:6.0.21'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.23.6"
         classpath "commons-httpclient:commons-httpclient:3.1@jar" // remove after entire switch to lib v2

gradle/verification-metadata.xml

@@ -10216,6 +10216,11 @@
             <sha256 value="64f96ea8e7b9896731052241ffd3a265f8274d761e5fe9dc088ac45b31718341" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.jetbrains.kotlin" name="kotlin-stdlib" version="2.0.20">
+         <artifact name="kotlin-stdlib-2.0.20.module">
+            <sha256 value="dc051dc04c6a196f2d06d0d3c9af33b9f12bc9b4fe139ae1290140508236b67b" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="org.jetbrains.kotlin" name="kotlin-stdlib-common" version="1.4.32">
          <artifact name="kotlin-stdlib-common-1.4.32.jar">
             <sha256 value="e1ff6f55ee9e7591dcc633f7757bac25a7edb1cc7f738b37ec652f10f66a4145" origin="Generated by Gradle"/>
@@ -10297,6 +10302,11 @@
             <sha256 value="2335187440c51d0d69e1b906fefc31f6169691c8598177b0e610c9b9a92ce6b5" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.jetbrains.kotlin" name="kotlin-stdlib-common" version="2.0.20">
+         <artifact name="kotlin-stdlib-common-2.0.20.module">
+            <sha256 value="b597b705efd4e2d827142090c36054265548ed51b4f52377f2bf89c4594d536f" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="org.jetbrains.kotlin" name="kotlin-stdlib-jdk7" version="1.3.72">
          <artifact name="kotlin-stdlib-jdk7-1.3.72.pom">
             <sha256 value="9d5a13d9abc33445e1366d258af0a77e42f01945acef7c0917b9d539854e2fce" origin="Generated by Gradle"/>