[Backport 2.x] Skip unnecessary string format in ThrottlingAllocationDecider when not in debug mode

[opensearch-trigger-bot]

Backport 04e28fa from #13750.

[github-actions]

❌ Gradle check result for de6b5a2: FAILURE

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?

[dblock]

@imRishN

[dblock]

❌ Gradle check result for de6b5a2: FAILURE

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?

org.opensearch.action.admin.indices.create.RemoteCloneIndexIT.testCreateCloneIndexFailure

#13476

[github-actions]

❌ Gradle check result for de6b5a2: FAILURE

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?

[dblock]

❌ Gradle check result for de6b5a2: FAILURE

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?

org.opensearch.indices.IndicesRequestCacheIT.testDeleteAndCreateSameIndexShardOnSameNode {p0={"opensearch.experimental.feature.pluggable.caching.enabled":"true"}}
org.opensearch.indices.IndicesRequestCacheIT.testDeleteAndCreateSameIndexShardOnSameNode {p0={"search.concurrent_segment_search.enabled":"false"}}
org.opensearch.indices.IndicesRequestCacheIT.testDeleteAndCreateSameIndexShardOnSameNode {p0={"opensearch.experimental.feature.pluggable.caching.enabled":"false"}}
org.opensearch.indices.IndicesRequestCacheIT.testDeleteAndCreateSameIndexShardOnSameNode {p0={"search.concurrent_segment_search.enabled":"true"}}

#13600

[github-actions]

❌ Gradle check result for de6b5a2: FAILURE

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?

[dblock]

❌ Gradle check result for de6b5a2: FAILURE

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?

org.opensearch.remotemigration.RemoteReplicaRecoveryIT.testReplicaRecovery

#13473

[github-actions]

❕ Gradle check result for de6b5a2: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.repositories.azure.AzureBlobContainerRetriesTests.testWriteBlobWithRetries

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[Bukhtawar]

LGTM