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Upgrade the extension to the latest Quarkus LTS and latest Java SDK release.

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- Bump Quarkus to 3.15.1
- Bump Java SDK to 3.7.3
- Update netty substitutions. As the official netty extension targets Netty 4.1.111.Final and our SDK uses 4.1.112.Final, some substitutions have been added to the "delete" step of the shell script.
Specifically, this method signature has changed between the two versions (4.1.112 has 1 more string endpointIdentificationAlgorithm in the arguments) https:/netty/netty/blob/ebe2aa5b7cd36562a20b024d78ecff47a86874b8/handler/src/main/java/io/netty/handler/ssl/JdkSslClientContext.java#L267-L273
- The legacy @configroot approach for CouchbaseConfig was changed to the new @ConfigMapping one.
- Added the compiler arg "-AlegacyConfigRoot=true" to the deployment module pom.xml, as the netty substitution still uses it.
- Updated the way CouchbaseDevService gets the config fields.