Update .github/release-checklist.md

Co-authored-by: Juliette <[email protected]>

Author: rodrigoprimo

.github/release-checklist.md

@@ -32,7 +32,7 @@ PR for tracking changes for the x.x.x release. Target release date: **DOW MONTH
     - [ ] `$wp_time_constants` in `WordPress.WP.CronInterval` - PR #xxx
     - [ ] `$known_test_classes` in `IsUnitTestTrait` - PR #xxx
     - [ ] ...etc...
-- [ ] Verify that there has been no vandalism on the wiki (and if so, remove/fix it).
+- [ ] Verify there has been no vandalism on the wiki (and if so, remove/fix it).
 
 ### Release prep