Support parameterless call to Pack-Crates and add Get-PackageVersions

[hallipr]

Prepping this to make working on -Zpackage-workspace easier

~/> ./eng/scripts/Get-PackageDependencies.ps1 | Format-Table                                                 
                                                                                                                        
from                            to                              kind path req     local  index
----                            --                              ---- ---- ---     -----  -----
typespec_client_core            typespec                             True ^0.3.0  0.3.0  0.2.0
typespec_client_core            typespec_macros                      True ^0.2.0  0.2.0  
typespec_client_core            typespec_macros                 dev  True *       0.2.0  
typespec_macros                 typespec_client_core            dev  True *       0.2.0  0.1.0
azure_core                      typespec                             True ^0.3.0  0.3.0  0.2.0
azure_core                      typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_core                      azure_identity                  dev  True *       0.23.0 
azure_core                      azure_security_keyvault_secrets dev  True *       0.2.0  
azure_identity                  azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_identity                  typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_identity                  azure_security_keyvault_secrets dev  True *       0.2.0  
azure_security_keyvault_secrets azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_security_keyvault_secrets typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_security_keyvault_secrets azure_core_test                 dev  True *       0.1.0  
azure_security_keyvault_secrets azure_identity                  dev  True *       0.23.0 0.22.0
azure_security_keyvault_secrets azure_security_keyvault_test    dev  True *       0.1.0  
azure_core_test                 azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_core_test                 azure_core_test_macros               True *       0.1.0  
azure_core_test                 azure_identity                       True *       0.23.0 0.22.0
azure_core_test                 typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_core_test                 azure_security_keyvault_secrets dev  True *       0.2.0  0.1.0
azure_core_test_macros          azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_core_test_macros          azure_core_test                 dev  True *       0.1.0  
azure_core_amqp                 azure_core                           True *       0.23.0 0.22.0
azure_core_amqp                 typespec                             True ^0.3.0  0.3.0  0.2.0
azure_data_cosmos               azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_data_cosmos               typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_data_cosmos               azure_core_test                 dev  True *       0.1.0  
azure_data_cosmos               azure_identity                  dev  True *       0.23.0 0.22.0
azure_messaging_eventhubs       azure_core                           True *       0.23.0 0.22.0
azure_messaging_eventhubs       azure_core_amqp                      True ^0.2.0  0.2.0  0.1.0
azure_messaging_eventhubs       azure_core_test                 dev  True *       0.1.0  
azure_messaging_eventhubs       azure_identity                  dev  True *       0.23.0 0.22.0
azure_security_keyvault_keys    azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_security_keyvault_keys    typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_security_keyvault_keys    azure_core_test                 dev  True *       0.1.0  
azure_security_keyvault_keys    azure_identity                  dev  True *       0.23.0 0.22.0
azure_security_keyvault_keys    azure_security_keyvault_test    dev  True *       0.1.0  
azure_storage_blob              azure_core                           True ^0.23.0 0.23.0 0.22.0
azure_storage_blob              azure_storage_common                 True ^0.1.0  0.1.0  
azure_storage_blob              typespec_client_core                 True ^0.2.0  0.2.0  0.1.0
azure_storage_blob              azure_core_test                 dev  True *       0.1.0  
azure_storage_blob              azure_identity                  dev  True *       0.23.0 0.22.0
azure_template_core             azure_template                  dev  True *       0.1.0  
azure_template                  azure_template_core                  True *       0.1.0  1.0.0-beta.4566510

[heaths]

Given this is part of a larger whole, I don't understand for sure whether this is right but seems fine, not withstanding the question I raised about whether ignoring version fetch errors was appropriate. If so and you at least consider the other suggestions, I see nothing blocking.