Update dependency com.diffplug.spotless:spotless-plugin-gradle to v6.22.0 (open-telemetry#1057)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>

Author: renovate[bot]

buildSrc/build.gradle.kts

@@ -12,7 +12,7 @@ repositories {
 
 dependencies {
   // When updating, update above in plugins too
-  implementation("com.diffplug.spotless:spotless-plugin-gradle:6.21.0")
+  implementation("com.diffplug.spotless:spotless-plugin-gradle:6.22.0")
   implementation("net.ltgt.gradle:gradle-errorprone-plugin:3.1.0")
   implementation("net.ltgt.gradle:gradle-nullaway-plugin:1.6.0")
   implementation("com.gradle.enterprise:com.gradle.enterprise.gradle.plugin:3.15")

static-instrumenter/agent-instrumenter/build.gradle.kts

@@ -142,6 +142,5 @@ class AgentJarsProvider(
   @PathSensitive(PathSensitivity.RELATIVE)
   val noInstAgentJar: Provider<RegularFile>,
 ) : CommandLineArgumentProvider {
-  override fun asArguments(): Iterable<String> =
-    listOf("-Dagent=${file(agentJar).path}", "-Dno.inst.agent=${file(noInstAgentJar).path}")
+  override fun asArguments(): Iterable<String> = listOf("-Dagent=${file(agentJar).path}", "-Dno.inst.agent=${file(noInstAgentJar).path}")
 }