Fix ci test cleanup script (#2140)

## Description

Purge script needs go 1.19 and ubuntu latest contains 1.18 as of now.
Here is a sample run failing because of this: https://github.com/alcionai/corso/actions/runs/3909006130/jobs/6679661266

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## Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No 

## Type of change

<!--- Please check the type of change your PR introduces: --->
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Test
- [x] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

## Issue(s)

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* #<issue>

## Test Plan

<!-- How will this be tested prior to merging.-->
- [x] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

.github/workflows/ci_test_cleanup.yml

@@ -16,8 +16,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '1.19'
 
-      # sets the maximimum time to now-30m.
+      # sets the maximum time to now-30m.
       # CI test have a 10 minute timeout.
       # At 20 minutes ago, we should be safe from conflicts.
       # The additional 10 minutes is just to be good citizens.