Change verb tense of paymentHistoryFooter to past tense

[bkilrain]

This commit changes the paymentHistoryFooter text to match the fact that
reconcileDate will always be in the past (it is generated from moment.js's
fromNow() method).

Fixes #6059

Auditors: @bsclifton

Tests: n/a

• Submitted a ticket for my issue if one did not already exist.
• Used Github auto-closing keywords in the commit message.
• Added/updated tests for this change (for new code or code which already has tests).
• Ran git rebase -i to squash commits (if needed).

Test Plan: n/a

[bkilrain]

by the way - I suspect my git workflow is lacking. If you have a tip, please let me know :)

[luixxiul]

@bkilrain I'm sorry but @mrose17 got another way to fix the issue, so let me close this.

If you are interested, please have a look at the contributors backlog for more tasks :-)

https://github.com/brave/browser-laptop/milestone/47

Thanks for your understanding.

[bsclifton]

@bkilrain sorry I didn't get to this sooner- we've had an unusually large backlog of items recently. The good news is our major blockers have been resolved and we're starting to work through all the PRs 😄

Please hit me up any time if you have questions. You're welcome to join our Slack too (shoot me a message at clifton@brave.com if you're interested) 😄

[bkilrain]

All good~ I'll check out the backlog 👍

[mrose17]

many thanks!