Resolve "Initialize the Mimir Renovate.json"

renovate.json

-{}
+{
+  "baseBranches": ["main"],
+  "configWarningReuseIssue": false,
+  "dependencyDashboard": true,
+  "dependencyDashboardTitle": "Renovate: Upgrade Mimir Package Dependencies",
+  "draftPR": true,
+  "enabledManagers": ["custom.regex", "helm-values", "helmv3"],
+  "ignorePaths": ["chart/charts/**"],
+  "labels": ["mimir", "renovate", "kind::maintenance", "team::Observability"],
+  "postUpdateOptions": ["helmUpdateSubChartArchives"],
+  "separateMajorMinor": false,
+  "packageRules": [
+    {
+      "matchDatasources": ["docker"],
+      "groupName": "Ironbank",
+      "registryUrls": ["https://registry1.dso.mil"]
+    },
+    {"matchDatasources": ["helm"], "groupName": "Ironbank"}
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "description": "Update app version chart annotations",
+      "fileMatch": ["^chart/Chart\\.yaml$"],
+      "matchStrings": [
+        "- mimir:\\s+'(?<currentValue>.+)'",
+        "appVersion:\\s+(?<currentValue>.+)"
+      ],
+      "depNameTemplate": "registry1.dso.mil/ironbank/opensource/grafana/mimir",
+      "datasourceTemplate": "docker"
+    },
+    {
+      "customType": "regex",
+      "description": "Update docker image references",
+      "fileMatch": ["^chart/Chart\\.yaml$"],
+      "matchStrings": ["image:[^\\S\\r\\n]+(?<depName>.+):(?<currentValue>.+)"],
+      "datasourceTemplate": "docker"
+    },
+    {
+      "customType": "regex",
+      "description": "Update chart version to match mimir-distributed",
+      "fileMatch": ["^chart/Chart\\.yaml$"],
+      "matchStrings": ["version:\\s+(?<currentValue>.+)-bb\\.\\d+"],
+      "autoReplaceStringTemplate": "version: {{newValue}}-bb.0",
+      "depNameTemplate": "mimir-distributed",
+      "datasourceTemplate": "helm",
+      "registryUrlTemplate": "https://grafana.github.io/helm-charts"
+    }
+  ],
+  "postUpgradeTasks": {
+    "commands": [
+      "regenerate-helm-docs",
+      "bump-changelog '- {{{replace 'registry1.dso.mil/' '' depName}}} updated from {{{currentVersion}}} to {{{newVersion}}}'"
+    ],
+    "fileFilters": ["chart/Chart.yaml", "README.md", "CHANGELOG.md"]
+  }
+}
\ No newline at end of file