fix sed

Author: EmilienM

.github/workflows/update-golangci-lint.yaml

@@ -24,13 +24,13 @@ jobs:
         run: |
           export LATEST_VERSION=$(curl -s https://api.github.com/repos/golangci/golangci-lint/releases/latest | jq -r .tag_name | sed 's/v//')
           echo "LATEST_VERSION=${LATEST_VERSION}" >> $GITHUB_ENV
-          echo "latest_version=${LATEST_VERSION}" >> $GITHUB_OUTPUT
+          echo "LATEST_VERSION=${LATEST_VERSION}" >> $GITHUB_OUTPUT
       - name: Check current version in Makefile
         id: check_version
         run: |
-          export CURRENT_VERSION=$(grep 'GOLANGCI_LINT_VERSION' hack/tools/Makefile | cut -d '=' -f2 | tr -d ' ')
+          export CURRENT_VERSION=$(grep 'GOLANGCI_LINT_VERSION ?=' hack/tools/Makefile | cut -d '=' -f2 | tr -d ' ')
           echo "CURRENT_VERSION=${CURRENT_VERSION}" >> $GITHUB_ENV
-          echo "current_version=${CURRENT_VERSION}" >> $GITHUB_OUTPUT
+          echo "CURRENT_VERSION=${CURRENT_VERSION}" >> $GITHUB_OUTPUT
       - name: Update Makefile if needed
         if: ${{ steps.check_version.outputs.current_version != steps.get_version.outputs.latest_version }}
         run: |