ci/flatpak: update gnome platform and branch names

Update org.gnome.Platform to 47.
Update libad9* branch from master to main.

Signed-off-by: Jorge Marques <[email protected]>

Author: gastmaier

Diff for: CI/flatpak/app.yml

@@ -1,6 +1,6 @@
 app-id: org.adi.IIO-Oscilloscope
 runtime: org.gnome.Platform
-runtime-version: '43'
+runtime-version: '47'
 command: osc
 sdk: org.gnome.Sdk
 rename-desktop-file: adi-osc.desktop

Diff for: CI/flatpak/deps/libad9166-iio.yml

@@ -5,4 +5,4 @@ cleanup:
 sources:
   - type: git
     url: https://github.com/analogdevicesinc/libad9166-iio
-    branch: master
+    branch: main

Diff for: CI/flatpak/deps/libad9361-iio.yml

@@ -5,4 +5,4 @@ cleanup:
 sources:
   - type: git
     url: https://github.com/analogdevicesinc/libad9361-iio
-    branch: master
+    branch: main