revise tested versions of ruby/vault

Author: brandonc

.github/workflows/run-tests.yml

@@ -10,8 +10,8 @@ jobs:
       fail-fast: false
       matrix:
         # https://endoflife.date/ruby
-        ruby: ["2.7", "3.0", "3.1", "3.2"]
-        vault: ["1.11.9", "1.12.5", "1.13.1"]
+        ruby: ["2.7", "3.0", "3.1", "3.3"]
+        vault: ["1.11.9", "1.19.5", "1.20.4", "1.21.0"]
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps: