Updated gitleaksignore for a potential false positive for the record upload script

Author: jhyde15

.gitleaksignore

@@ -5,4 +5,5 @@ edcce0d54ce30fe8797a5f27ea13eb48f597462b:performance-tests/reporting-journey.jmx
 954013eeb7f6dce8cb837f2b825c910ac6b9bafc:performance-tests/give-or-refuse-consent-journey.jmx:ipv4:75
 236d121ec520247f72d13b1d2119c0fde50cc85d:performance-tests/nurse-journey.jmx:ipv4:36
 31ae9cf7f06eeb2929dc92cda89ba4b7b38f9d36:performance-tests/upload-cohort-data.jmx:ipv4:35
+84e84a5b448fee3f547715534f87df163a50be48:performance-tests/record-offline.jmx:ipv4:34