scripts: bump sdk-registry plugin to 1.5.7

Version 1.5.7 fixes S3 prefix matching where querying for version
3.22.0 also matched 3.22.0-alpha.1 objects, causing uploads to
fail with "not empty, skip uploading".

GitOrigin-RevId: 5f896282c4075706938f9ea8cd2e82727c3725d9

Author: temap

gradle/dependencies.gradle

@@ -241,7 +241,7 @@ ext {
       googleServices       : '4.4.2',
       mapboxSdkVersions    : '1.1.5',
       dokka                : '1.9.20',
-      mapboxSdkRegistry    : '1.5.6',
+      mapboxSdkRegistry    : '1.5.7',
       mapboxAccessToken    : '0.2.1',
       mapboxNativeDownload : '0.2.2',
       microbenchmark       : version.microbenchmark,