chore: release 1.60.2-SNAPSHOT

[release-please]

🤖 I have created a release *beep* *boop*

Updating meta-information for bleeding-edge SNAPSHOT release.

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This PR was generated with Release Please.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@7e15b60). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1253   +/-   ##
=========================================
  Coverage          ?   78.98%           
  Complexity        ?     1226           
=========================================
  Files             ?      209           
  Lines             ?     5357           
  Branches          ?      446           
=========================================
  Hits              ?     4231           
  Misses            ?      948           
  Partials          ?      178           

Impacted Files	Coverage Δ	Complexity Δ
...com/google/api/gax/tracing/TracedBidiCallable.java	87.50% <0.00%> (ø)	2.00% <0.00%> (?%)
...m/google/api/gax/retrying/BasicRetryingFuture.java	93.13% <0.00%> (ø)	25.00% <0.00%> (?%)
...ava/com/google/api/gax/retrying/RetrySettings.java	31.25% <0.00%> (ø)	2.00% <0.00%> (?%)
...om/google/api/gax/rpc/CheckingAttemptCallable.java	81.81% <0.00%> (ø)	4.00% <0.00%> (?%)
...ogle/api/gax/retrying/StreamingRetryAlgorithm.java	0.00% <0.00%> (ø)	0.00% <0.00%> (?%)
.../google/api/gax/rpc/PermissionDeniedException.java	100.00% <0.00%> (ø)	2.00% <0.00%> (?%)
.../java/com/google/api/gax/rpc/AbortedException.java	100.00% <0.00%> (ø)	2.00% <0.00%> (?%)
.../main/java/com/google/api/gax/rpc/PageContext.java	100.00% <0.00%> (ø)	3.00% <0.00%> (?%)
.../com/google/api/gax/rpc/FixedWatchdogProvider.java	100.00% <0.00%> (ø)	10.00% <0.00%> (?%)
.../google/api/gax/grpc/RefreshingManagedChannel.java	62.96% <0.00%> (ø)	7.00% <0.00%> (?%)
... and 199 more

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