Revert "Bump targetSdk to 32"

This reverts commit 8c8723c7c5608952ccf0e160289728c486286402.

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

app/build.gradle

@@ -84,7 +84,7 @@ android {
 
     defaultConfig {
         minSdkVersion 23
-        targetSdkVersion 32
+        targetSdkVersion 31
 
         buildConfigField 'boolean', 'CI', ciBuild.toString()
         buildConfigField 'boolean', 'RUNTIME_PERF_ANALYSIS', perfAnalysis.toString()