chore(apps): update icons (#3156)

* chore(apps): update icons

* bump everything

charts/stable/blog/Chart.yaml

@@ -10,7 +10,7 @@ dependencies:
   version: 8.0.30
 description: "Lightweight self-hosted facebook-styled PHP blog."
 home: https://github.com/truecharts/apps/tree/master/charts/stable/blog
-icon: https://truecharts.org/img/appicons/blog.png
+icon: https://truecharts.org/img/chart-icons/blog.png
 keywords:
   - blog
   - php
@@ -26,7 +26,7 @@ name: blog
 sources:
   - https://github.com/m1k1o/blog
   - https://github.com/nicholaswilde/docker-blog
-version: 3.0.14
+version: 3.0.15
 annotations:
   truecharts.org/catagories: |
     - hosting