Bug report: Incorrect Week number in "Parse DateTime"

[EdgeSync]

Describe the bug
When using the Parse DateTime function, the Week number returns the Year value, not the current week number.

To Reproduce

• Drag "Parse DateTime" into Recipe Field

• In Input enter a date time in the specified format of the recipe (i.e. International date and time: 2020-01-01 01:01:01

• See value of "Week Number" in output is 2020

Expected behaviour
Should return a value between 1-52 depending on the week the date was in.

Screenshots

Desktop (if relevant, please complete the following information):

• OS: Linux Mint 19

• Browser: Firefox 80.01

• CyberChef version: 9.21.0

• OS: Windows 10 x64 19-09

• Browser: Chrome 85.0.4183.102

• CyberChef version: 9.21.0

Additional context
Tried on github instance, and local instance:
https://gchq.github.io/CyberChef/#recipe=Parse_DateTime('Standard%20date%20and%20time','DD/MM/YYYY%20HH:mm:ss','UTC')&input=MDEvMDEvMjAyMCAwNjozMDoxMg

[mattnotmitt]

Duplicate of #1084

[EdgeSync]

Closing as duplicate.