fix: ignore mypy error from latest OpenTelemetrySDK update (#180)

See open-telemetry/opentelemetry-python#4615 but it looks like an OpenTelemetrySDK update caused type errors

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Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>

Author: zastrowm

src/strands/telemetry/tracer.py

@@ -13,7 +13,9 @@
 
 from opentelemetry import trace
 from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
-from opentelemetry.sdk.resources import Resource
+
+# See https://github.com/open-telemetry/opentelemetry-python/issues/4615 for the type ignore
+from opentelemetry.sdk.resources import Resource  # type: ignore[attr-defined]
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchSpanProcessor, ConsoleSpanExporter, SimpleSpanProcessor
 from opentelemetry.trace import StatusCode