feat(tests): EIP-7918 - Blob base fee bounded by execution cost (ethereum#1685)

* feat(forks|tests): eip-7918 initial tests plus eip-4844 adjustments.

* chore(tests): extra param and docstring tweak.

Author: spencer-tb

CHANGELOG.md

@@ -74,6 +74,7 @@ Users can select any of the artifacts depending on their testing needs for their
 - ✨ Introduce blockchain tests for ZKEVM to cover the scenario of pure ether transfers [#1742](https://github.com/ethereum/execution-spec-tests/pull/1742).
 - ✨ [EIP-7934](https://eips.ethereum.org/EIPS/eip-7934): Add test cases for the block RLP max limit of 10MiB ([#1730](https://github.com/ethereum/execution-spec-tests/pull/1730)).
 - ✨ [EIP-7939](https://eips.ethereum.org/EIPS/eip-7939) Add count leading zeros (CLZ) opcode tests for Osaka ([#1733](https://github.com/ethereum/execution-spec-tests/pull/1733)).
+- ✨ [EIP-7918](https://eips.ethereum.org/EIPS/eip-7918): Blob base fee bounded by execution cost test cases (initial), includes some adjustments to [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844) tests ([#1685](https://github.com/ethereum/execution-spec-tests/pull/1685)).
 
 ## [v4.5.0](https://github.com/ethereum/execution-spec-tests/releases/tag/v4.5.0) - 2025-05-14