fix(tasmoadmin): fix envVar and update image version (#9415)

**Description**
envVar ```TASMO_DATADIR``` reqires a ```/``` at the end to work
correctly --> see my comment:
[here](https://github.com/truecharts/charts/pull/9284#discussion_r1214152489)
updated outdated image


⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [x] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
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- [ ] 🔃 Refactor of current code

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charts/incubator/tasmoadmin/Chart.yaml

@@ -22,7 +22,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/incubator/tasmoadmin
   - https://github.com/TasmoAdmin/TasmoAdmin
 type: application
-version: 4.0.1
+version: 4.0.2
 annotations:
   truecharts.org/catagories: |
     - HomeAutomation

charts/incubator/tasmoadmin/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: tccr.io/truecharts/tasmoadmin
-  tag: 2.4.2@sha256:5144a471e58004c129a0d800977e1e31ba4b46c52e37b9258591086161d2d96f
+  tag: v3.0.5@sha256:7fb29077382634fbe08ba81725cb72d06e8c4be5a3b5293d347abac1f07271c0
 
 securityContext:
   container:
@@ -16,7 +16,7 @@ workload:
       containers:
         main:
           env:
-            TASMO_DATADIR: /data
+            TASMO_DATADIR: /data/
             TASMO_DEBUG: 1
 
 service: