Bump firmware version to 0x26270500
Bump firmware version to 0x26270500

- filter neighbor route cost to 1
- filter link route cost to 3

dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin