[docker] Bump ubuntu from c4a8d55 to 786a8b5 in /Appium (#178)

Bumps ubuntu from `c4a8d55` to `786a8b5`.

---
updated-dependencies:
- dependency-name: ubuntu
  dependency-version: noble
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Appium/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:noble@sha256:c4a8d5503dfb2a3eb8ab5f807da5bc69a85730fb49b5cfca2330194ebcc41c7b AS android_img
+FROM ubuntu:noble@sha256:786a8b558f7be160c6c8c4a54f9a57274f3b4fb1491cf65146521ae77ff1dc54 AS android_img
 
 #==================
 # General Packages
@@ -46,7 +46,7 @@ RUN wget -O tools.zip https://dl.google.com/android/repository/${SDK_VERSION}.zi
     echo y | sdkmanager "platform-tools" && \
     echo y | sdkmanager "build-tools;$ANDROID_BUILD_TOOLS_VERSION"
 
-FROM ubuntu:noble@sha256:c4a8d5503dfb2a3eb8ab5f807da5bc69a85730fb49b5cfca2330194ebcc41c7b
+FROM ubuntu:noble@sha256:786a8b558f7be160c6c8c4a54f9a57274f3b4fb1491cf65146521ae77ff1dc54
 
 ENV DEBIAN_FRONTEND=noninteractive