fix(otel): Make otel.kind be a string (#7182)

Author: AbhiPrasad

packages/opentelemetry-node/src/spanprocessor.ts

@@ -1,5 +1,5 @@
 import type { Context } from '@opentelemetry/api';
-import { trace } from '@opentelemetry/api';
+import { SpanKind, trace } from '@opentelemetry/api';
 import type { Span as OtelSpan, SpanProcessor as OtelSpanProcessor } from '@opentelemetry/sdk-trace-base';
 import { SemanticAttributes } from '@opentelemetry/semantic-conventions';
 import { addGlobalEventProcessor, getCurrentHub } from '@sentry/core';
@@ -223,7 +223,7 @@ function updateSpanWithOtelData(sentrySpan: SentrySpan, otelSpan: OtelSpan): voi
   const { attributes, kind } = otelSpan;
 
   sentrySpan.setStatus(mapOtelStatus(otelSpan));
-  sentrySpan.setData('otel.kind', kind.valueOf());
+  sentrySpan.setData('otel.kind', SpanKind[kind]);
 
   Object.keys(attributes).forEach(prop => {
     const value = attributes[prop];

packages/opentelemetry-node/test/spanprocessor.test.ts

@@ -221,7 +221,7 @@ describe('SentrySpanProcessor', () => {
         child.end();
 
         expect(sentrySpan?.data).toEqual({
-          'otel.kind': 0,
+          'otel.kind': 'INTERNAL',
           'test-attribute': 'test-value',
           'test-attribute-2': [1, 2, 3],
           'test-attribute-3': 0,