fix: use go1.19 for the tests of the previous version of golangci-lint

Author: ldez

.github/workflows/pr.yml

@@ -41,7 +41,9 @@ jobs:
           # ex:
           # - 1.18beta1 -> 1.18.0-beta.1
           # - 1.18rc1 -> 1.18.0-rc.1
-          go-version: ${{ env.GO_VERSION }}
+          # TODO(ldez) must be changed after the first release of golangci-lint with go1.20
+          # go-version: ${{ env.GO_VERSION }}
+          go-version: 1.19
       - name: lint
         uses: golangci/golangci-lint-action@v3.4.0
         with: