Bump okhttp to current stable, accept deprecation for the moment

AnkiDroid/build.gradle

@@ -265,8 +265,7 @@ dependencies {
     implementation 'org.bitbucket.cowwoc:diff-match-patch:1.2'
     implementation 'org.apache.commons:commons-compress:1.12' // #6419 - handle >2GB apkg files
     implementation 'net.mikehardy:google-analytics-java7:2.0.13'
-    //noinspection GradleDependency NewerVersionAvailable
-    implementation 'com.squareup.okhttp3:okhttp:3.12.12'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
     implementation 'com.arcao:slf4j-timber:3.1'
     implementation 'com.jakewharton.timber:timber:4.7.1'
     implementation 'org.jsoup:jsoup:1.13.1'

AnkiDroid/src/main/java/com/ichi2/anki/web/HttpFetcher.java

@@ -109,6 +109,7 @@ public class HttpFetcher {
     }
 
 
+    @SuppressWarnings("deprecation")
     public static String downloadFileToSdCardMethod(String UrlToFile, Context context, String prefix, String method) {
 
         Response response = null;

AnkiDroid/src/main/java/com/ichi2/libanki/sync/CountingFileRequestBody.java

@@ -55,6 +55,7 @@ public class CountingFileRequestBody extends RequestBody {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void writeTo(BufferedSink sink) throws IOException {
         Source source = null;
         try {