Fix Vault versions to use available community releases

Author: chrisarcand

.github/workflows/run-tests.yml

@@ -12,7 +12,7 @@ jobs:
         # https://endoflife.date/rails
         rails: ["7.2", "8.0", "8.1"]
         # https://developer.hashicorp.com/vault/docs/enterprise/lts
-        vault: ["1.16.13", "1.19.13", "1.20.7", "1.21.2"]
+        vault: ["1.16.3", "1.19.5", "1.20.4", "1.21.2"]
     runs-on: ubuntu-latest
     timeout-minutes: 5
     env: