Updating to support helmfile v1

deploy/helmfile.yaml.gotmpl

+environments:
+  {{ .Environment.Name }}:
+---
+helmDefaults:
+  timeout: 600
+  kubeContext: k8s-dev
+  wait: true
+  recreatePods: false
+
+repositories:
+  - name: blockscout
+    url: https://blockscout.github.io/helm-charts
+  - name: bedag
+    url: https://bedag.github.io/helm-charts
+
+---
+releases:
+  # Deploy review L2
+  - name: reg-secret
+    chart: bedag/raw
+    namespace: review-l2-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    labels:
+      app: review-l2-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    values:
+      - resources:
+        - apiVersion: v1
+          data:
+            .dockerconfigjson: ref+vault://deployment-values/blockscout/common?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/dockerRegistryCreds
+          kind: Secret
+          metadata:
+            name: regcred
+          type: kubernetes.io/dockerconfigjson
+  - name: bs-stack
+    chart: blockscout/blockscout-stack
+    version: 1.*.*
+    namespace: review-l2-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    labels:
+      app: review-l2-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    values:
+    - values/review-l2/values.yaml.gotmpl
+    - global:
+        env: "review"
+  # Deploy review
+  - name: reg-secret
+    chart: bedag/raw
+    namespace: review-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    labels:
+      app: review-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    values:
+      - resources:
+        - apiVersion: v1
+          data:
+            .dockerconfigjson: ref+vault://deployment-values/blockscout/common?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/dockerRegistryCreds
+          kind: Secret
+          metadata:
+            name: regcred
+          type: kubernetes.io/dockerconfigjson
+  - name: bs-stack
+    chart: blockscout/blockscout-stack
+    version: 1.*.*
+    namespace: review-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    labels:
+      app: review-{{ requiredEnv "GITHUB_REF_NAME_SLUG" }}
+    values:
+    - values/review/values.yaml.gotmpl
+    - global:
+        env: "review"
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