deps: update dependency com.google.cloud:google-cloud-trace to v2.1.7

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.cloud:google-cloud-trace	2.1.6 -> 2.1.7

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Release Notes

googleapis/java-core

v2.1.7

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[suztomo]

Kokoro failed:

com.google.cloud.spanner.SpannerBatchUpdateException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Quota exceeded for quota metric 'Administrative requests' and limit 'Administrative requests per minute per user' of service 'spanner.googleapis.com' for consumer 'project_number:1016721xxxxxxx'. at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerBatchUpdateException(SpannerExceptionFactory.java:116)

[ansh0l]

cc @vi3k6i5 : They were running a bunch of tests that triggered RESOURCE_EXHAUSTED elsewhere, in case that may have caused this one as well.