Update metadata (general.architecture)

Updated metadata:
* **general.architecture**: GPT-OSS

gpt-oss.gguf

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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-size 1978688
+oid sha256:a5ed034ba62ea283af37cbed3f8841ad6d594a69ed28ee870febc3d89c4b1ff8
+size 1978720