chore(helm): update image docker.io/factoriotools/factorio digest to a6df3a1 (#28231)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/factoriotools/factorio | digest | `335fe96` -> `a6df3a1` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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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: 9.2.6
+version: 9.2.7

charts/stable/factorio/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/factoriotools/factorio
-  tag: stable@sha256:335fe9625617a85cd55b37b47b208588c6b4ddc78a5b29e43b601673486770a4
+  tag: stable@sha256:a6df3a1590af0b3abeb35852bf2f9202ef745592b2caf20b63a536b751635141
 
 securityContext:
   container: