build(deps-dev): bump opentelemetry-resourcedetector-gcp

Bumps [opentelemetry-resourcedetector-gcp](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python) from 1.8.0a0 to 1.9.0a0.
- [Release notes](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/releases)
- [Changelog](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/blob/main/release.py)
- [Commits](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/commits)

---
updated-dependencies:
- dependency-name: opentelemetry-resourcedetector-gcp
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

dev-requirements.txt

@@ -71,7 +71,7 @@ opentelemetry-proto==1.30.0
     #   oteltest
 opentelemetry-resource-detector-azure==0.1.5
     # via elastic-opentelemetry (pyproject.toml)
-opentelemetry-resourcedetector-gcp==1.8.0a0
+opentelemetry-resourcedetector-gcp==1.9.0a0
     # via elastic-opentelemetry (pyproject.toml)
 opentelemetry-sdk==1.30.0
     # via

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
     "opentelemetry-exporter-otlp == 1.30.0",
     "opentelemetry-instrumentation == 0.51b0",
     "opentelemetry-instrumentation-system-metrics == 0.51b0",
-    "opentelemetry-resourcedetector-gcp ~= 1.8.0a0",
+    "opentelemetry-resourcedetector-gcp >= 1.8,< 1.10",
     "opentelemetry-resource-detector-azure ~= 0.1.5",
     "opentelemetry-sdk == 1.30.0",
     "opentelemetry-sdk-extension-aws ~= 2.1.0",