Changes to Create Custom Tier

added the new enum value claude_4_6_sonnet to the query request parameter allowed_model

added the new enum value claude_4_7_opus to the query request parameter allowed_model

added the new enum value claude_4_8_opus to the query request parameter allowed_model

added the new enum value claude_4_dot_1_opus to the query request parameter allowed_model

added the new enum value claude_4_dot_5_haiku to the query request parameter allowed_model

added the new enum value claude_4_dot_5_sonnet to the query request parameter allowed_model

added the new enum value claude_4_dot_6_opus to the query request parameter allowed_model

added the new enum value claude_4_opus to the query request parameter allowed_model

added the new enum value claude_4_sonnet to the query request parameter allowed_model

added the new enum value claude_5_opus to the query request parameter allowed_model

added the new enum value claude_5_sonnet to the query request parameter allowed_model

added the new enum value gemini-2.0-flash to the query request parameter allowed_model

added the new enum value gemini-2.0-flash-lite to the query request parameter allowed_model

added the new enum value gemini-2.5-flash to the query request parameter allowed_model

added the new enum value gemini-2.5-flash-lite to the query request parameter allowed_model

added the new enum value gemini-2.5-pro to the query request parameter allowed_model

added the new enum value gemini-3-flash to the query request parameter allowed_model

added the new enum value gemini-3-pro to the query request parameter allowed_model

added the new enum value gpt-5.1 to the query request parameter allowed_model

added the new enum value gpt-5.2 to the query request parameter allowed_model

added the new enum value gpt-5.4 to the query request parameter allowed_model

added the new enum value gpt-5.4-mini to the query request parameter allowed_model

added the new enum value gpt-5.4-nano to the query request parameter allowed_model

added the new enum value gpt-5.5 to the query request parameter allowed_model

added the new enum value gpt-5.6-luna to the query request parameter allowed_model

added the new enum value gpt-5.6-sol to the query request parameter allowed_model

added the new enum value gpt-5.6-terra to the query request parameter allowed_model