Merge branch 'renovate-upgrade-copier-templates' into 'main'

feat: use renovate to perform copier template updates

See merge request gitlab-com/gl-infra/common-ci-tasks!146

renovate-common.json

@@ -42,6 +42,15 @@
         "\\s+\"?(?<currentValue>[a-zA-Z0-9._-]+)\"?\\s*#\\s*datasource=(?<datasource>\\S+)\\s+depName=(?<depName>\\S+)(\\s+versioning=(?<versioning>\\S+))?(\\s+registryUrl=(?<registryUrl>\\S+))?\\s*"
       ],
       "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
+    },
+    {
+      "fileMatch": [
+        "^\\.copier-version$"
+      ],
+      "matchStrings": [
+        "\\s+(?<currentValue>\\S+)\\s*#\\s*datasource=(?<datasource>\\S+)\\s+depName=(?<depName>\\S+)(\\s+versioning=(?<versioning>\\S+))?\\s*\\n"
+      ],
+      "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
     }
   ],
   "allowedPostUpgradeCommands": [
@@ -129,6 +138,22 @@
         "minor"
       ],
       "groupName": "ruby-version-minor"
+    },
+    {
+      "matchFiles": [
+        ".copier-version"
+      ],
+      "postUpgradeTasks": {
+        "commands": [
+          "pip3 install copier",
+          "git stash",
+          "copier --force update ."
+        ],
+        "fileFilters": [
+          ".*"
+        ],
+        "executionMode": "update"
+      }
     }
   ]
 }