feat(api): add prewarmed hosted environments

Castiron-Internal-PR: openai/openai-java-internal#223
Castiron-Source-SHA: 40af2b7165fb30c3aab58c0b814870a8c9153d5c
Castiron-Public-Base-SHA: 130684e

Author: dpiet-oai

.castiron.stats.yml

@@ -1,8 +1,8 @@
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