cheatcode docs update (#2577)

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Closes #

## Introduced changes

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- docs more accurate

## Checklist

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- [x] Linked relevant issue
- [x] Updated relevant documentation
- [x] Added relevant tests
- [x] Performed self-review of the code
- [x] Added changes to `CHANGELOG.md`

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Co-authored-by: Franciszek Job <54181625+franciszekjob@users.noreply.github.com>

docs/src/appendix/cheatcodes/block_number.md

@@ -23,7 +23,7 @@ Changes the block number for the given target.
 Cancels the `cheat_block_number` / `start_cheat_block_number` for the given target.
 
 ## `stop_cheat_block_number_global`
-> `fn stop_cheat_block_number_global(target: ContractAddress)`
+> `fn stop_cheat_block_number_global()`
 
 Cancels the `start_cheat_block_number_global`.
 

docs/src/appendix/cheatcodes/block_timestamp.md

@@ -23,6 +23,6 @@ Changes the block timestamp for the given target.
 Cancels the `cheat_block_timestamp` / `start_cheat_block_timestamp` for the given target.
 
 ## `stop_cheat_block_timestamp_global`
-> `fn stop_cheat_block_timestamp_global(target: ContractAddress)`
+> `fn stop_cheat_block_timestamp_global()`
 
 Cancels the `start_cheat_block_timestamp_global`.