style: apply prettier formatting to instrumentation.ts

Fix code formatting issues detected by prettier.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: nirga

packages/instrumentation-langchain/src/instrumentation.ts

@@ -28,7 +28,6 @@ export class LangChainInstrumentation extends InstrumentationBase {
   constructor(config: LangChainInstrumentationConfig = {}) {
     super("@traceloop/instrumentation-langchain", version, config);
 
-
     // Manually instrument CallbackManager immediately since module detection doesn't work
     this.instrumentCallbackManagerDirectly();
   }
@@ -83,7 +82,6 @@ export class LangChainInstrumentation extends InstrumentationBase {
         inheritableMetadata?: Record<string, unknown>,
         localMetadata?: Record<string, unknown>,
       ) {
-
         // Add our callback handler to inheritable handlers
         const callbackHandler = new TraceloopCallbackHandler(
           self.tracer,