changelog: Add missing entries
## [6.2.0] - Unreleased
+- Added: [[#216](https://github.com/ethereum/evmc/pull/216)]
+ CMake option `EVMC_TEST_TOOLS` to build evmc-vmtester without bothering with internal unit tests.
- Added: [[#217](https://github.com/ethereum/evmc/pull/217)]
The `evmc::host` C++ wrapper for EVMC host context and interface
to be used by VM implementations.
- Added: [[#201](https://github.com/ethereum/evmc/pull/201), [#202](https://github.com/ethereum/evmc/pull/202), [#233](https://github.com/ethereum/evmc/pull/233)]
Initial and rough bindings for Rust. It is possible to implement an
EVMC VM in Rust utilising some helpers.
+- Added:
+ [[#230](https://github.com/ethereum/evmc/pull/230)]
+ [[#232](https://github.com/ethereum/evmc/pull/232)]
+ Handling of DLL loading errors greatly improved by `evmc_last_error_msg()` function.
+- Changed: [[#197](https://github.com/ethereum/evmc/pull/197)]
+ Go bindings improved by introduction of the `TxContext` struct.
+- Changed:
+ [[#221](https://github.com/ethereum/evmc/pull/221)]
+ [[#234](https://github.com/ethereum/evmc/pull/234)]
+ [[#238](https://github.com/ethereum/evmc/pull/238)]
+ [[#241](https://github.com/ethereum/evmc/pull/241)]
+ [[#242](https://github.com/ethereum/evmc/pull/242)]
+ A lot of evmc-vmtester improvements.
+- Changed: [[#251](https://github.com/ethereum/evmc/pull/251)]
+ [Cable] upgraded to version 0.2.17.
- Deprecated: [[#196](https://github.com/ethereum/evmc/pull/196)]
The `EVMC_CONSTANTINOPLE2` revision name is deprecated, replaced with `EVMC_PETERSBURG`.
[5.2.0]: https://github.com/ethereum/evmc/releases/tag/v5.2.0
[5.1.0]: https://github.com/ethereum/evmc/releases/tag/v5.1.0
[5.0.0]: https://github.com/ethereum/evmc/releases/tag/v5.0.0
+
+[Cable]: https://github.com/ethereum/cable
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