Changed Go Version in Coverage Workflow

Author: Kwesi Rutledge

.github/workflows/coverage1.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.19]
+        go: [1.21]
     permissions:
       # Give the default GITHUB_TOKEN write permission to commit and push the
       # added or changed files to the repository.