Fix typo stature->statute (zotero item type)
Fix typo stature->statute (zotero item type)

Zotero's Bill and Statute types are @legislation in BibLaTeX

egh/zotero-better-bibtex,davepwsmith/zotero-better-bibtex,egh/zotero-better-bibtex,gracile-fr/zotero-better-bibtex,maxxk/zotero-better-bibtex,maxxk/zotero-better-bibtex,maxxk/zotero-better-bibtex,gracile-fr/zotero-better-bibtex,egh/zotero-better-bibtex,davepwsmith/zotero-better-bibtex,egh/zotero-better-bibtex