Bump io.opentelemetry.instrumentation:gradle-plugins (#1446)

Bumps io.opentelemetry.instrumentation:gradle-plugins from 1.30.0-alpha-SNAPSHOT to 1.31.0-alpha-SNAPSHOT.

---
updated-dependencies:
- dependency-name: io.opentelemetry.instrumentation:gradle-plugins
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

buildSrc/build.gradle.kts

@@ -41,7 +41,7 @@ dependencies {
   implementation(gradleApi())
 
   implementation("com.diffplug.spotless:spotless-plugin-gradle:6.21.0")
-  implementation("io.opentelemetry.instrumentation:gradle-plugins:1.30.0-alpha-SNAPSHOT")
+  implementation("io.opentelemetry.instrumentation:gradle-plugins:1.31.0-alpha-SNAPSHOT")
 
   // keep these versions in sync with settings.gradle.kts
   implementation("gradle.plugin.com.github.johnrengelman:shadow:8.0.0")