Update dependencies

This also updates the test dependencies to an alpha version. We have to
use a pre-stable version, because these include some fixes for running
on API 33.

app/src/main/java/com/beemdevelopment/aegis/icons/IconPack.java

@@ -148,7 +148,6 @@ public class IconPack {
             return IconType.fromFilename(_relFilename);
         }
 
-        @SuppressWarnings("UnstableApiUsage")
         public String getName() {
             return Files.getNameWithoutExtension(new File(_relFilename).getName());
         }

app/src/main/java/com/beemdevelopment/aegis/icons/IconType.java

@@ -23,7 +23,6 @@ public enum IconType {
         }
     }
 
-    @SuppressWarnings("UnstableApiUsage")
     public static IconType fromFilename(String filename) {
         switch (Files.getFileExtension(filename).toLowerCase(Locale.ROOT)) {
             case "svg":