Bump argocd version in Makefile from 2.10.2 to 2.11.7

[takahiro-yamada]

• aqua.yaml is already updated
  

  cattage/aqua.yaml

  Line 8 in 86ad924

  - name: argoproj/[email protected]

• make crds modified nothing

  takahiro_yamada@ytk-ubuntu20:~/workspace/cybozu-private/cattage$ 
  k8s:stage0.cybozu-ne.co-stage0.cybozu-ne.co> make crds
  mkdir -p test/crd/
  curl -fsL -o test/crd/application.yaml https://raw.githubusercontent.com/argoproj/argo-cd/v2.11.7/manifests/crds/application-crd.yaml
  curl -fsL -o test/crd/appproject.yaml https://raw.githubusercontent.com/argoproj/argo-cd/v2.11.7/manifests/crds/appproject-crd.yaml
  takahiro_yamada@ytk-ubuntu20:~/workspace/cybozu-private/cattage$ 
  
  takahiro_yamada@ytk-ubuntu20:~/workspace/cybozu-private/cattage$ 
  k8s:stage0.cybozu-ne.co-stage0.cybozu-ne.co> git status
  On branch bump-argocd
  nothing to commit, working tree clean
  takahiro_yamada@ytk-ubuntu20:~/workspace/cybozu-private/cattage$