Updates 7.4.0 release notes

Author: colings86

docs/reference/release-notes/7.4.asciidoc

@@ -199,6 +199,9 @@ Features/Watcher::
 Geo::
 * Support WKT point conversion to geo_point type {pull}44107[#44107] (issue: {issue}41821[#41821])
 
+Infra/Circuit Breakers::
+* Fix G1 GC default IHOP {pull}46169[#46169]
+
 Infra/Core::
 * Add OCI annotations and adjust existing annotations {pull}45167[#45167] (issues: {issue}45162[#45162], {issue}45166[#45166])
 * Use the full hash in build info {pull}45163[#45163] (issue: {issue}45162[#45162])
@@ -309,6 +312,7 @@ Authentication::
 * Fix X509AuthenticationToken principal {pull}43932[#43932] (issues: {issue}34396[#34396], {issue}43796[#43796])
 
 Authorization::
+* Do not rewrite aliases on remove-index from aliases requests {pull}46989[#46989]
 * Give kibana user privileges to create APM agent config index {pull}46765[#46765] (issue: {issue}45610[#45610])
 *  Add `manage_own_api_key` cluster privilege {pull}45696[#45696] (issue: {issue}40031[#40031])
 * Sparse role queries can throw an NPE {pull}45053[#45053]
@@ -376,6 +380,7 @@ Features/Ingest::
 * Allow dropping documents with auto-generated ID {pull}46773[#46773] (issue: {issue}46678[#46678])
 
 Features/Java High Level REST Client::
+* [HLRC] Send min_score as query string parameter to the count API {pull}46829[#46829] (issue: {issue}46474[#46474])
 * HLRC multisearchTemplate forgot params {pull}46492[#46492] (issue: {issue}46488[#46488])
 * terminateAfter added to the RequestConverter {pull}46474[#46474] (issue: {issue}46446[#46446])
 * [Closes #44045] Added 'slices' parameter when submitting reindex request via Java high level REST client {pull}45690[#45690] (issue: {issue}44045[#44045])
@@ -425,6 +430,7 @@ Infra/Settings::
 * bug fix about elasticsearch.common.settings.Settings.processSetting {pull}44047[#44047] (issue: {issue}43791[#43791])
 
 Machine Learning::
+* [ML] fix two datafeed flush lockup bugs {pull}46982[#46982]
 * [ML] Throw an error when a datafeed needs CCS but it is not enabled for the node {pull}46044[#46044] (issue: {issue}46025[#46025])
 * Handle "null" value of Estimate memory usage API response gracefully. {pull}45726[#45726] (issue: {issue}44699[#44699])
 * [ML] Remove timeout on waiting for DF analytics result processor to complete {pull}45724[#45724] (issue: {issue}45723[#45723])
@@ -489,6 +495,8 @@ Security::
 * Use system context for looking up connected nodes {pull}43991[#43991] (issue: {issue}43974[#43974])
 
 Snapshot/Restore::
+* Fix Bug in Snapshot Status Response Timestamps {pull}46919[#46919] (issue: {issue}46913[#46913])
+* GCS deleteBlobsIgnoringIfNotExists should catch StorageException {pull}46832[#46832] (issue: {issue}46772[#46772])
 * Fix TransportSnapshotsStatusAction ThreadPool Use {pull}45824[#45824]
 * Stop Executing SLM Policy Transport Action on Snapshot Pool {pull}45727[#45727] (issue: {issue}45594[#45594])
 * Check again on-going snapshots/restores of indices before closing {pull}43873[#43873]