Fix goimports CI

Signed-off-by: Jan Dittrich <jan.dittrich@cgm.com>

Author: jan-di

.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
 
       - name: Install goimports
-        run: go install golang.org/x/tools/cmd/goimports
+        run: go install golang.org/x/tools/cmd/goimports@v0.42.0
 
       - name: Vendor Dependencies
         run: make vendor vendor.check