[Backport 2.x] Manually update io.grpc:grpc-context from 1.46.0 to 1.56.1

[opensearch-trigger-bot]

Backport 43d0ccd from #8726.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/20299/
• CommitID: 280be25
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[kotwanikunal]

#8030

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/20299/
• CommitID: 280be25
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testPrimaryStopped_ReplicaPromoted

• URL: https://build.ci.opensearch.org/job/gradle-check/20306/
• CommitID: 280be25
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #8727 (280be25) into 2.x (6548b5f) will decrease coverage by 0.15%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##                2.x    #8727      +/-   ##
============================================
- Coverage     70.70%   70.56%   -0.15%     
+ Complexity    57383    57291      -92     
============================================
  Files          4758     4758              
  Lines        271560   271563       +3     
  Branches      40031    40031              
============================================
- Hits         192006   191627     -379     
- Misses        63093    63488     +395     
+ Partials      16461    16448      -13     

Impacted Files	Coverage Δ
.../main/java/org/opensearch/index/IndexSettings.java	86.03% <0.00%> (-0.44%)	⬇️
...in/java/org/opensearch/index/shard/IndexShard.java	68.44% <100.00%> (-0.37%)	⬇️

... and 473 files with indirect coverage changes