Raise compliance report upload limit to 30MB

Third-party compliance report PDFs were rejected above 10MB in the
upload dialog. Increase the client-side Dropzone limit and enforce the
same cap on the backend file validator.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>

pkg/probo/service.go

@@ -214,6 +214,7 @@ func NewService(
 		svc: svc,
 		fileValidator: filevalidation.NewValidator(
 			filevalidation.WithCategories(filevalidation.CategoryDocument),
+			filevalidation.WithMaxFileSize(30*1024*1024), // 30MB
 		),
 	}
 	svc.ThirdPartyBusinessAssociateAgreements = &ThirdPartyBusinessAssociateAgreementService{svc: svc}