fix fileMatch regex (#35)

#### 📖 Summary

- fix renovate rexex fileMatch for woodpecker files.

#### 📑 Test Plan

> 💡 Select your test plan for the code changes.

- [x] Tested via CI pipeline
- [ ] Custom test
- [ ] No test plan

##### Details / Justification

<!-- Add your test details or justification for missing tests here. -->

#### 📚 Additional Notes

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Co-authored-by: OCram85 <marco.blessing@googlemail.com>
Reviewed-on: #35

.woodpecker/.testy.yml

@@ -1,7 +0,0 @@
-pipeline:
-  buildy:
-    image: node:18.12.0-buster
-    commands:
-      - npm install
-      - npm run test
-      - npm run build

renovate.json

@@ -13,6 +13,6 @@
   },
   "woodpecker": {
     "enabled": true,
-    "fileMatch": ["^.woodpecker\/.*\.yml$"]  
+    "fileMatch": ["^.woodpecker\/.*.yml$"]
   }
 }