New upstream version 2.12.2

.github/workflows/maven.yml

README.md

bom/pom.xml

client/pom.xml

.../main/java/org/asynchttpclient/AsyncHttpClientConfig.java

.../asynchttpclient/handler/resumable/ResumableListener.java

...n/java/org/asynchttpclient/netty/NettyResponseFuture.java

...ava/org/asynchttpclient/netty/channel/ChannelManager.java

...n/java/org/asynchttpclient/netty/handler/HttpHandler.java

...nchttpclient/netty/handler/StreamedResponsePublisher.java

...org/asynchttpclient/netty/request/NettyRequestSender.java

...g/asynchttpclient/netty/timeout/ReadTimeoutTimerTask.java

.../asynchttpclient/request/body/multipart/FileLikePart.java

.../org/asynchttpclient/request/body/multipart/PartBase.java

...g/asynchttpclient/spnego/NamePasswordCallbackHandler.java

...main/java/org/asynchttpclient/util/StringBuilderPool.java

...test/java/org/asynchttpclient/AsyncStreamHandlerTest.java

client/src/test/java/org/asynchttpclient/BasicAuthTest.java

client/src/test/java/org/asynchttpclient/BasicHttpTest.java

...a/org/asynchttpclient/channel/MaxTotalConnectionTest.java