Disable sentry session tracking

[nicksellen]

Closes https://community.karrot.world/t/sending-too-much-data-to-sentry/1194

What does this PR do?

I noticed on each page change sentry was sending data such as:

{"sent_at":"2023-06-01T08:03:27.301Z","sdk":{"name":"sentry.javascript.vue","version":"7.50.0"}}
{"type":"session"}
{"sid":"184884223cbc450f8211537dece036a4","init":false,"started":"2023-06-01T08:03:24.339Z","timestamp":"2023-06-01T08:03:27.301Z","status":"exited","errors":0,"attrs":{"release":"b7b00c3d7aebb91a6e13024c4813718aa85394ac","environment":"karrot-dev","user_agent":"Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0"}}

Our intention with sentry was to capture error information, not info on every page load, this feels invasive to me.

Links to related issues

Checklist

• [ ] added a test, or explain why one is not needed/possible...
• [ ] no unrelated changes
• [ ] asked someone for a code review
• [ ] joined #karrot:matrix.org
• [ ] added an entry to CHANGELOG.md (description, pull request link, username(s))
• [ ] tried out on a mobile device (does everything work as expected on a smaller screen?)

[codecov[bot]]

Codecov Report

Merging #2654 (112b0fc) into master (0908a6b) will increase coverage by 23.12%. The diff coverage is 76.01%.

@@             Coverage Diff             @@
##           master    #2654       +/-   ##
===========================================
+ Coverage   52.47%   75.59%   +23.12%     
===========================================
  Files         181      378      +197     
  Lines        4877    40187    +35310     
  Branches      822     2215     +1393     
===========================================
+ Hits         2559    30378    +27819     
- Misses       2318     9809     +7491     

Impacted Files	Coverage Δ
src/activities/components/ActivityEdit.stories.js	0.00% <0.00%> (ø)
src/activities/components/ActivityItem.stories.js	0.00% <0.00%> (ø)
src/activities/components/CurrentUser.vue	0.00% <0.00%> (ø)
src/activities/components/PlaceActivities.vue	0.00% <0.00%> (ø)
src/activities/components/ShareDialog.vue	0.00% <0.00%> (ø)
src/activities/pages/PublicActivity.vue	0.00% <0.00%> (ø)
src/agreements/pages/EditAgreement.vue	0.00% <0.00%> (ø)
src/applications/api/applications.js	88.00% <ø> (+88.00%)	:arrow_up:
src/applications/components/ApplicationItem.vue	0.00% <0.00%> (ø)
src/applications/components/ApplicationList.vue	0.00% <0.00%> (ø)
... and 147 more

... and 297 files with indirect coverage changes

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