chore(deps): update dependency google-cloud-trace to v1.7.2 (#8377)

* chore(deps): update dependency google-cloud-trace to v1.7.2

* revert

* revert

Co-authored-by: Anthonios Partheniou <partheniou@google.com>
Co-authored-by: Leah E. Cole <6719667+leahecole@users.noreply.github.com>

Author: 3 people

trace/cloud-trace-demo-app-opentelemetry/app/requirements.txt

@@ -8,4 +8,4 @@ opentelemetry-instrumentation-flask==0.20b0
 grpcio==1.47.0
 httpretty==1.1.4
 google-cloud-monitoring==2.10.0
-google-cloud-trace==1.7.1
+google-cloud-trace==1.7.2