use v1.48.0 golangci-lint in workflows

Author: bmoffatt

.github/workflows/lint.yml

@@ -18,6 +18,6 @@ jobs:
 
       - name: golangci-golint
         run: |
-          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.45.0
+          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.48.0
           ./bin/golangci-lint run -v ./...