chore(helm): update image docker.io/factoriotools/factorio digest to c6ac6ed (#29579)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/factoriotools/factorio | digest | `38e00db` -> `c6ac6ed` |

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charts/stable/factorio/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/factorio
   - https://hub.docker.com/r/factoriotools/factorio
 type: application
-version: 9.2.25
+version: 9.2.26

charts/stable/factorio/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/factoriotools/factorio
-  tag: stable@sha256:38e00db116e10efd6586452f7cd5e0cb4558f3f4df4e1b827add2c8d4359374a
+  tag: stable@sha256:c6ac6ed66db69ea0d188b2dcb5de2cbde55847702c9078b9366d1bdb4c930d68
 
 securityContext:
   container: