Add endpoint to do synchronous interrupt of a single contact

[rowanseymour]

No description provided.

[codecov]

Codecov Report

Merging #643 (075d872) into main (8b68598) will increase coverage by 0.00%.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##             main     #643   +/-   ##
=======================================
  Coverage   61.98%   61.99%           
=======================================
  Files         132      132           
  Lines       12934    12945   +11     
=======================================
+ Hits         8017     8025    +8     
- Misses       4052     4054    +2     
- Partials      865      866    +1     

Impacted Files	Coverage Δ
core/tasks/interrupts/interrupt_sessions.go	37.50% <0.00%> (ø)
core/models/sessions.go	54.86% <66.66%> (ø)
web/contact/contact.go	68.26% <72.72%> (+0.52%)	⬆️

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