Warning: Undefined array key 1 (Missing colon in routing)

[Janvdv]

Summary
There is a missing colon in the routing file for the TranslationBundle here Causing the warning Warning: Undefined array key 1 here After it is exploded using two colons here

Steps to reproduce
Upgrade oro/platform to 5.0.3

Actual Result Warning: Undefined array key 1

Expected Result
No warnings

Details about your environment

• OroPlatform version: 5.0.3
• PHP version: 8.1