[AutoPR azure-ai-speech-batchtranscription] Add typespec files for Azure Speech to Text inference methods

[azure-sdk]

Create to sync https://github.com/Azure/azure-rest-api-specs/pull/31097

curl -L "Azure/31097/azure-sdk-for-java/azure-ai-speech-batchtranscription/azure-ai-speech-batchtranscription-1.0.0-beta.1.jar" -o azure-ai-speech-batchtranscription-1.0.0-beta.1.jar
mvn install:install-file -DgroupId=com.azure -DartifactId=azure-ai-speech-batchtranscription -Dversion=1.0.0-beta.0 -Dfile=azure-ai-speech-batchtranscription-1.0.0-beta.1.jar -Dpackaging=jar -DgeneratePom=true

This pull request has been automatically generated for preview purposes.