Changed "Purchase Order" to Bill everywhere + iterations and translat… #13

Job	Run time
Filter	11s
Build - Web UI	1m 43s
Style [Documentation]	45s
Style [pre-commit]	1m 25s
Tests - API Schema Documentation	6m 28s
Tests - Migrations [PostgreSQL]	0s
Tests - Full Migration [SQLite]	0s
Tests - DB [MySQL]	21m 53s
Tests - DB [PostgreSQL]	23m 31s
Tests - DB [SQLite] + Coverage 3.14	8m 54s
Security [Zizmor]	20s
Tests - DB [SQLite] + Coverage 3.11	9m 15s
Tests - Web UI	7m 57s
Style [Typecheck]	5m 51s
Tests - inventree-python	8m 57s
Tests - Performance	0s
Push new schema	-1s
	1h 37m 9s

Provide feedback