use latest automation tool (#19052)

.scripts/automation_generate.sh

@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-track2-codegen-automation-for-pipeline --inputJsonPath=$1 --outputJsonPath=$2 --use=@autorest/typescript@6.0.0-beta.13
+hlc-code-gen-for-pipeline --inputJsonPath=$1 --outputJsonPath=$2 --use=@autorest/typescript@6.0.0-alpha.16.20211130.1

.scripts/automation_init.sh

@@ -3,4 +3,4 @@
 npm install -g @microsoft/rush
 rush install
 # install release tools
-npm install -g azure-track2-js-sdk-release-tools
+npm install -g @azure-tools/js-sdk-release-tools