By Andrew Gray ANKARA, July 6 (Reuters) - The Netherlands will announce defence deals and plans worth more than €3 billion ($3.43 billion) at a NATO forum in Ankara on Tuesday that precedes a summit of the alliance’s political leaders, Dutch Defence Minister Dilan Yesilgoz told Reuters. In an interview in the Turkish capital on Monday, Yesilgoz said the announcements would include partnerships with Belgium on air defence and with Britain on naval ships. She said the Netherlands was also looking