fix: types/croner - `date` -> `Date`
fix: types/croner - `date` -> `Date`

`tsc` would fail with:
```
node_modules/croner/types/croner.d.ts(48,40): error TS2552: Cannot find name 'date'. Did you mean 'Date'?
node_modules/croner/types/croner.d.ts(59,35): error TS2552: Cannot find name 'date'. Did you mean 'Date'?
```
Hexagon/croner,Hexagon/croner