Add gcp auth package as optional dependency to the HTTP/GRPC OTLP Exporters

CHANGELOG.md

@@ -16,6 +16,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4734](https://github.com/open-telemetry/opentelemetry-python/pull/4734))
 - build: bump ruff to 0.14.1
   ([#4782](https://github.com/open-telemetry/opentelemetry-python/pull/4782))
+- Add `opentelemetry-exporter-credential-provider-gcp` as an optional dependency to `opentelemetry-exporter-otlp-proto-grpc` 
+  and `opentelemetry-exporter-otlp-proto-http` 
+  ([#4760](https://github.com/open-telemetry/opentelemetry-python/pull/4760))
 - semantic-conventions: Bump to 1.38.0
   ([#4791](https://github.com/open-telemetry/opentelemetry-python/pull/4791))
 

exporter/opentelemetry-exporter-otlp-proto-grpc/pyproject.toml

@@ -49,6 +49,11 @@ otlp_proto_grpc = "opentelemetry.exporter.otlp.proto.grpc.trace_exporter:OTLPSpa
 Homepage = "https://github.com/open-telemetry/opentelemetry-python/tree/main/exporter/opentelemetry-exporter-otlp-proto-grpc"
 Repository = "https://github.com/open-telemetry/opentelemetry-python"
 
+[project.optional-dependencies]
+gcp-auth = [
+  "opentelemetry-exporter-credential-provider-gcp >= 0.59b0",
+]
+
 [tool.hatch.version]
 path = "src/opentelemetry/exporter/otlp/proto/grpc/version/__init__.py"
 

exporter/opentelemetry-exporter-otlp-proto-http/pyproject.toml

@@ -48,6 +48,11 @@ otlp_proto_http = "opentelemetry.exporter.otlp.proto.http._log_exporter:OTLPLogE
 Homepage = "https://github.com/open-telemetry/opentelemetry-python/tree/main/exporter/opentelemetry-exporter-otlp-proto-http"
 Repository = "https://github.com/open-telemetry/opentelemetry-python"
 
+[project.optional-dependencies]
+gcp-auth = [
+  "opentelemetry-exporter-credential-provider-gcp >= 0.59b0",
+]
+
 [tool.hatch.version]
 path = "src/opentelemetry/exporter/otlp/proto/http/version/__init__.py"