Closes #6097 - Bump activation ping expiry date.

[liuche]

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The activation ping expired, so we need to bump it to continue measuring activations of Fenix instances without overcounting.

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• Quality: This PR builds and passes detekt/ktlint checks (A pre-push hook is recommended)
• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
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• Milestone: Make sure issues finished by this pull request are added to the milestone of the version currently in development.

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[codecov-io]

Codecov Report

Merging #6309 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #6309   +/-   ##
=========================================
  Coverage     14.69%   14.69%           
  Complexity      328      328           
=========================================
  Files           272      272           
  Lines         11035    11035           
  Branches       1591     1591           
=========================================
  Hits           1622     1622           
  Misses         9284     9284           
  Partials        129      129

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[liuche]

Checked with Arana from BD, and this this is still something that needs to be collected. Original data review here: #1707 (comment)

[boek]

Do we also want to change the year here?

[liuche]

lol yes omg