chore(otel): patch bazel

[dbolduc]

Manually update opentelemetry-cpp to a commit that includes open-telemetry/opentelemetry-cpp#1873

Otherwise the SDK will not build with bazel 6.0, which we need to use in our tests.

I do not want to wait on OpenTelemetry's release schedule. Also, I do not know how the bots will react. 🤷

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This change is 

[codecov]

Codecov Report

Base: 93.98% // Head: 93.97% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (86cab06) compared to base (a60ecbe).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10498      +/-   ##
==========================================
- Coverage   93.98%   93.97%   -0.01%     
==========================================
  Files        1627     1627              
  Lines      146846   146846              
==========================================
- Hits       138008   138004       -4     
- Misses       8838     8842       +4     

Impacted Files	Coverage Δ
google/cloud/internal/async_connection_ready.cc	89.36% <0.00%> (-4.26%)	⬇️
...bigtable/examples/bigtable_hello_instance_admin.cc	81.00% <0.00%> (-2.00%)	⬇️
google/cloud/pubsub/subscriber_connection_test.cc	98.78% <0.00%> (-1.22%)	⬇️
...integration_tests/schema_admin_integration_test.cc	98.88% <0.00%> (-1.12%)	⬇️
google/cloud/storage/parallel_upload.cc	98.28% <0.00%> (-0.35%)	⬇️
google/cloud/completion_queue_test.cc	97.13% <0.00%> (-0.20%)	⬇️
...cloud/pubsub/internal/subscription_session_test.cc	98.33% <0.00%> (+0.33%)	⬆️
...e/cloud/pubsublite/internal/alarm_registry_impl.cc	100.00% <0.00%> (+2.94%)	⬆️
google/cloud/internal/async_rpc_details.h	100.00% <0.00%> (+5.00%)	⬆️

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