revert bumps on incubator (+2 squashed commit)

Squashed commit:

[7e168fa0eba] chore(deps): update container image tccr.io/truecharts/valheim-server to latest (#9633)

[c21e8fb9d8a] bump everything to common 14.0.1 (will need to fix inherently failing CI)

charts/stable/firefox-syncserver/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 appVersion: "1.8.0"
-version: 13.0.15
+version: 14.0.0
 kubeVersion: ">=1.16.0-0"
 name: firefox-syncserver
 description: This is an all-in-one package for running a self-hosted Firefox Sync server.
@@ -18,7 +18,7 @@ sources:
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
-    version: 12.15.0
+    version: 14.0.1
 maintainers:
   - email: info@truecharts.org
     name: TrueCharts