Add pyproject.toml #1773

Job	Run time
Lint	1m 14s
Test frontend	28s
Test mcp-server on 3.8	5m 48s
Test mcp-server on 3.9	6m 8s
Test mcp-server on 3.10	8m 15s
Test mcp-server on 3.11	8m 8s
Test mcp-server on 3.12	10m 20s
Test mcp-client on 3.8	5m 50s
Test mcp-client on 3.9	8m 13s
Test mcp-client on 3.10	8m 45s
Test mcp-client on 3.11	9m 14s
Test mcp-client on 3.12	10m 5s
Test dashboard on 3.8	9m 47s
Test dashboard on 3.9	9m 53s
Test dashboard on 3.10	8m 47s
Test dashboard on 3.11	9m 43s
Test dashboard on 3.12	10m 28s
Test archivematica-common on 3.8	9m 13s
Test archivematica-common on 3.9	9m 40s
Test archivematica-common on 3.10	8m 18s
Test archivematica-common on 3.11	8m 45s
Test archivematica-common on 3.12	8m 52s
Test storage-service on 3.9	5m 42s
Test migrations on 3.9	5m 42s
	3h 7m 18s

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