go-version matrix updated

Author: KaushikiAnand

.github/workflows/pr-unit-tests.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: ['1.23', '1.22', '1.19']
+        go-version: ['1.23', '1.22']
     steps:
       - name: Checkout Code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7