fix woodpecker fileMatch regex (#30)

#### 📖 Summary

- fix regex / provided by renovate maintainer

#### 📑 Test Plan

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- [x] CI pipeline tests
- [ ] Custom test
- [ ] No test plan

##### Details / Justification

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#### 📚 Additional Notes

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Reviewed-on: CodeServer/arkanum#30

renovate.json

@@ -5,8 +5,6 @@
   },
   "woodpecker": {
     "enabled": true,
-    "fileMatch": [
-      "^.woodpecker/*.yml$"
-    ]
+    "fileMatch": ["^.woodpecker\/.*.yml$"]
   }
 }