[Backport] Upgrade reactor netty http to v1.0.39 and reactor core to v3.4.34 (#102629)

This PR upgrades the version of reactor-netty-http library to the latest v1.0.39 version
and its transitive dependencies reactor-core to v3.4.34 and reactor-netty-core to v1.0.39.

Backport of #102311

---------

Co-authored-by: Elastic Machine <[email protected]>

Author: slobodanadamovic

docs/changelog/102629.yaml

@@ -0,0 +1,5 @@
+pr: 102629
+summary: "Upgrade reactor netty http to v1.0.39 and reactor core to v3.4.34"
+area: Snapshot/Restore
+type: upgrade
+issues: []

gradle/verification-metadata.xml

@@ -1594,39 +1594,34 @@
             <sha256 value="3cabdae2244c999addebb8c31ae452fbdc874b4f26a163539954b8eeb5d6acc6" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="io.projectreactor" name="reactor-core" version="3.3.10.RELEASE">
-         <artifact name="reactor-core-3.3.10.RELEASE.jar">
-            <sha256 value="f0b92788cc6d3ca9e5de0fed317faae629443ee348865e620d9160c83b218f59" origin="Generated by Gradle"/>
-         </artifact>
-      </component>
       <component group="io.projectreactor" name="reactor-core" version="3.4.0">
          <artifact name="reactor-core-3.4.0.jar">
             <sha256 value="e495a0cb34ef1ff93b52066162d33d666ed047ebdbb767b65daa20b156a1e52d" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="io.projectreactor" name="reactor-core" version="3.4.23">
-         <artifact name="reactor-core-3.4.23.jar">
-            <sha256 value="d03b2f2eb5da79d0283358cba6ff36456982800f6cd2666857af46a43b6a9eb2" origin="Generated by Gradle"/>
+      <component group="io.projectreactor" name="reactor-core" version="3.4.34">
+         <artifact name="reactor-core-3.4.34.jar">
+            <sha256 value="b324c0921f97bd73a9aebffbf59ac45eeb48d9eab9bce67c23ad0bc83b513d87" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="io.projectreactor.netty" name="reactor-netty-core" version="1.0.0">
          <artifact name="reactor-netty-core-1.0.0.jar">
             <sha256 value="b901081713917010cb84d057b4f06d2dc27636e0f86fe8fad0e49012ada45983" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="io.projectreactor.netty" name="reactor-netty-core" version="1.0.24">
-         <artifact name="reactor-netty-core-1.0.24.jar">
-            <sha256 value="53b01c19f7a9c5ddaa4eaf0d22a6be7a8f888d34d07054eeff1deec8869485b2" origin="Generated by Gradle"/>
+      <component group="io.projectreactor.netty" name="reactor-netty-core" version="1.0.39">
+         <artifact name="reactor-netty-core-1.0.39.jar">
+            <sha256 value="f7c2330852a7c2a96de4847eb1dc906a458c9573a2cdde3cefc69300c0c5c68c" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="io.projectreactor.netty" name="reactor-netty-http" version="1.0.0">
          <artifact name="reactor-netty-http-1.0.0.jar">
             <sha256 value="52eb5bdee6d6b4ce908d1df7727c5dcef0e93bbc76babd99471bba6425835ff9" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="io.projectreactor.netty" name="reactor-netty-http" version="1.0.24">
-         <artifact name="reactor-netty-http-1.0.24.jar">
-            <sha256 value="22b6bd810444738d883a19e5f129535a393e84f13247c99bdd09c610bad34a7e" origin="Generated by Gradle"/>
+      <component group="io.projectreactor.netty" name="reactor-netty-http" version="1.0.39">
+         <artifact name="reactor-netty-http-1.0.39.jar">
+            <sha256 value="399eeee2917e87044b0c64a47456c69bb85edec284a5643e4f6c67affecbbdcc" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="io.prometheus" name="simpleclient" version="0.9.0">

plugins/repository-azure/build.gradle

@@ -33,8 +33,8 @@ versions << [
   'stax2API': '4.2.1',
   'woodstox': '6.4.0',
 
-  'reactorNetty': '1.0.24',
-  'reactorCore': '3.4.23',
+  'reactorNetty': '1.0.39',
+  'reactorCore': '3.4.34',
   'reactiveStreams': '1.0.4',
 ]
 
@@ -130,6 +130,7 @@ tasks.named("thirdPartyAudit").configure {
     'io.micrometer.core.instrument.DistributionSummary',
     'io.micrometer.core.instrument.DistributionSummary$Builder',
     'io.micrometer.core.instrument.Meter',
+    'io.micrometer.core.instrument.Meter$Type',
     'io.micrometer.core.instrument.MeterRegistry',
     'io.micrometer.core.instrument.Metrics',
     'io.micrometer.core.instrument.Tag',
@@ -142,6 +143,7 @@ tasks.named("thirdPartyAudit").configure {
     'io.micrometer.core.instrument.search.Search',
     'io.micrometer.core.instrument.Gauge',
     'io.micrometer.core.instrument.Gauge$Builder',
+    'io.micrometer.context.ContextAccessor',
 
     // from reactor-core kotlin extensions (to be deprecated from the library at some point on 3.3.x release)
     'kotlin.collections.ArraysKt',