Use different branch prefix for mintmaker updates

As we are using konflux branch to pull changes from upstream, we
need to use a different branch for mintmaker.
This update the schedule too, so that it doesn't just run on weekends.

Author: yuumasato

renovate.json

@@ -0,0 +1,51 @@
+{
+    "branchPrefix": "kflux/mintmaker/",
+    "schedule": ["at any time"],
+    "tekton": {
+      "managerFilePatterns": [
+        "/\\.yaml$/",
+        "/\\.yml$/"
+      ],
+      "includePaths": [
+        ".tekton/**"
+      ],
+      "packageRules": [
+        {
+          "matchPackageNames": [
+            "/^quay.io/redhat-appstudio-tekton-catalog//",
+            "/^quay.io/konflux-ci/tekton-catalog//"
+          ],
+          "enabled": true,
+          "groupName": "Konflux references",
+          "branchPrefix": "klux/references/",
+          "additionalBranchPrefix": "",
+          "group": {
+            "branchTopic": "{{{baseBranch}}}",
+            "commitMessageTopic": "{{{groupName}}}"
+          },
+          "commitMessageTopic": "Konflux references",
+          "prBodyColumns": [
+            "Package",
+            "Change",
+            "Notes"
+          ],
+          "prBodyDefinitions": {
+            "Notes": "{{#if (or (containsString updateType 'minor') (containsString updateType 'major'))}}:warning:[migration](https://github.com/redhat-appstudio/build-definitions/blob/main/task/{{{replace '^quay.io/(redhat-appstudio-tekton-catalog|konflux-ci/tekton-catalog)/task-' '' packageName}}}/{{{newVersion}}}/MIGRATION.md):warning:{{/if}}"
+          },
+          "prBodyTemplate": "{{{header}}}{{{table}}}{{{notes}}}{{{changelogs}}}{{{configDescription}}}{{{controls}}}{{{footer}}}",
+          "recreateWhen": "always",
+          "rebaseWhen": "behind-base-branch"
+        }
+      ],
+      "schedule": [
+        "at any time"
+      ],
+      "postUpgradeTasks": {
+        "commands": [
+          "pipeline-migration-tool migrate -f \"$RENOVATE_POST_UPGRADE_COMMAND_DATA_FILE\""
+        ],
+        "executionMode": "branch",
+        "dataFileTemplate": "[{{#each upgrades}}{\"depName\": \"{{{depName}}}\", \"currentValue\": \"{{{currentValue}}}\", \"currentDigest\": \"{{{currentDigest}}}\", \"newValue\": \"{{{newValue}}}\", \"newDigest\": \"{{{newDigest}}}\", \"packageFile\": \"{{{packageFile}}}\", \"parentDir\": \"{{{parentDir}}}\", \"depTypes\": [{{#each depTypes}}\"{{{this}}}\"{{#unless @last}},{{\/unless}}{{\/each}}]}{{#unless @last}},{{\/unless}}{{\/each}}]"
+      }
+    }
+}