ci: circleci slack alerts should go to #ci-bots

[ioga]

Description

After EE merge the Slack alerts ended up being configured to go to #ci-bots-ee which is archived and did not work.

Test Plan

Checklist

• Changes have been manually QA'd
• User-facing API changes need the "User-facing API Change" label.
• Release notes should be added as a separate file under docs/release-notes/.
  See Release Note for details.
• Licenses should be included for new code which was copied and/or modified from any external code.

[netlify]

✅ Deploy Preview for determined-ui canceled.

Name	Link
🔨 Latest commit	860bbb4
🔍 Latest deploy log	https://app.netlify.com/sites/determined-ui/deploys/663424e916934a0008c303fb

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.61%. Comparing base (abcc7b4) to head (860bbb4).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9300      +/-   ##
==========================================
- Coverage   44.63%   44.61%   -0.02%     
==========================================
  Files        1274     1275       +1     
  Lines      156005   156240     +235     
  Branches     2447     2450       +3     
==========================================
+ Hits        69629    69713      +84     
- Misses      86137    86287     +150     
- Partials      239      240       +1     

Flag	Coverage Δ
backend	41.80% <ø> (+0.04%)	⬆️
harness	64.08% <ø> (-0.02%)	⬇️
web	35.04% <ø> (-0.03%)	⬇️

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see 6 files with indirect coverage changes