This updates footnote descriptions for 04005 & 04018.

Solves #42044547 in Pivotal.
Use https://www.gov.uk/trade-tariff/commodities/0808108090#footnotes for
verification after deploy.

As in the ticket, for both descriptions text should now be:

```
Contact Details for lead Government Department are as follows:
Fruit and vegetable conformity controls 
Horticultural Marketing Inspectorate (HMI) 
Rural Payments Agency 
Office SCF3 South Core Produce Hall 
Western International Market 
Hayes Road 
Southall 
UB2 5XJ 
Telephone 0845 6073224 
email Peachenquiries@rpa.gsi.gov.uk
```