Fix Renovate config

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/tempo | digest | `89fd395` -> `6928536` |

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xMzguNCIsInVwZGF0ZWRJblZlciI6IjQxLjE0MS4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbXX0=-->

Reviewed-on: #30
Co-authored-by: Renovate Bot <renovate-bot@valverde.cloud>
Co-committed-by: Renovate Bot <renovate-bot@valverde.cloud>

compose.yml

@@ -48,7 +48,7 @@ services:
 
   tempo:
     <<: *service-base
-    image: grafana/tempo:latest@sha256:89fd395d641588d8714b23d67e93d7502362bf213d3d6d9ecd00f63c1be9a8ea
+    image: grafana/tempo:latest@sha256:692853614cc344c15f5695d3a950fcca326dd7bcffa544fe36b8d978e90a146b
     command: [-config.file=/etc/tempo.yaml]
     volumes:
       - ./telemetry/tempo.yaml:/etc/tempo.yaml

renovate.json

@@ -1,7 +1,11 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:recommended"
+  "extends": ["config:recommended"],
+  "baseBranchPatterns": ["next"],
+  "ignorePaths": [
+    "**/node_modules/**",
+    "**/bower_components/**",
+    "packages/webapp/public/98.css/**"
   ],
   "packageRules": [
     {
@@ -11,10 +15,10 @@
       "groupSlug": "bun-minor-patch"
     },
     {
-      "matchManagers": ["bun", "npm"],
-      "matchUpdateTypes": ["major"],
-      "groupName": "bun major updates",
-      "groupSlug": "bun-major"
+      "matchManagers": ["dockerfile", "docker-compose"],
+      "matchUpdateTypes": ["minor", "patch", "digest"],
+      "groupName": "docker minor+patch+digest updates",
+      "groupSlug": "docker-minor-patch-digest"
     }
   ]
 }