Bump golangci-lint to 2.9.0 for compatibility with go 1.26

Author: AlanGreene

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
           GO111MODULE="on" go install github.com/google/go-licenses@v1.0.0
 
           # Install GolangCI linter: https://github.com/golangci/golangci-lint/
-          GOLANGCI_VERSION=2.7.2
+          GOLANGCI_VERSION=2.9.0
           curl -sL https://github.com/golangci/golangci-lint/releases/download/v${GOLANGCI_VERSION}/golangci-lint-${GOLANGCI_VERSION}-linux-amd64.tar.gz | tar -C /usr/local/bin -xvzf - --strip-components=1 --wildcards "*/golangci-lint"
 
       - name: Run tests