chore(deps): update docker.io/hashicorp/vault docker tag to v1.21.0

Signed-off-by: Renovate Bot <tech+renovate@vshn.ch>

Author: vshn-renovate

class/defaults.yml

@@ -43,7 +43,7 @@ parameters:
       vault_agent:
         registry: docker.io
         repository: hashicorp/vault
-        tag: '1.20.4'
+        tag: '1.21.0'
       argocd:
         registry: quay.io
         repository: argoproj/argocd

tests/golden/defaults/argocd/argocd/30_argocd/10_argocd.yaml

@@ -100,7 +100,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: docker.io/hashicorp/vault:1.20.4
+        image: docker.io/hashicorp/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []

tests/golden/https-catalog/argocd/argocd/30_argocd/10_argocd.yaml

@@ -100,7 +100,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: docker.io/hashicorp/vault:1.20.4
+        image: docker.io/hashicorp/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []

tests/golden/openshift/argocd/argocd/30_argocd/10_argocd.yaml

@@ -105,7 +105,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: docker.io/hashicorp/vault:1.20.4
+        image: docker.io/hashicorp/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []

tests/golden/params/argocd/argocd/30_argocd/10_argocd.yaml

@@ -84,7 +84,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: mymirror.io/vault:1.20.4
+        image: mymirror.io/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []

tests/golden/prometheus/argocd/argocd/30_argocd/10_argocd.yaml

@@ -100,7 +100,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: docker.io/hashicorp/vault:1.20.4
+        image: docker.io/hashicorp/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []

tests/golden/syn-teams/argocd/argocd/30_argocd/10_argocd.yaml

@@ -100,7 +100,7 @@ spec:
             value: 'true'
           - name: VAULT_ADDR
             value: test.syn.tools
-        image: docker.io/hashicorp/vault:1.20.4
+        image: docker.io/hashicorp/vault:1.21.0
         imagePullPolicy: IfNotPresent
         name: vault-agent
         ports: []