chore(docs): update docs URLs to steel.ethereum.foundation

- Update DOCS_BASE_URL from eest.ethereum.org to steel.ethereum.foundation/docs.
- Update CLI help links to point to new domain.

Author: danceratopz

packages/testing/src/execution_testing/config/docs.py

@@ -17,8 +17,8 @@ class DocsConfig(BaseModel):
     GENERATE_UNTIL_FORK: str = "Amsterdam"
     """The fork until which documentation should be generated."""
 
-    DOCS_BASE_URL: str = "https://eest.ethereum.org"
+    DOCS_BASE_URL: str = "https://steel.ethereum.foundation/docs"
 
     # Documentation URLs prefixed with `DOCS_URL__` to avoid conflicts with
     # other URLs
-    DOCS_URL__WRITING_TESTS: str = f"{DOCS_BASE_URL}/main/writing_tests/"
+    DOCS_URL__WRITING_TESTS: str = f"{DOCS_BASE_URL}/writing_tests/"