Revert to previously working font file for material icons (#12954)

bin/internal/material_fonts.version

diff --git a/bin/internal/material_fonts.version b/bin/internal/material_fonts.version
index 08eb4ba..83bc7d2 100644
--- a/bin/internal/material_fonts.version
+++ b/bin/internal/material_fonts.version
@@ -1 +1 @@
-https://storage.googleapis.com/flutter_infra/flutter/fonts/7a25ab00acc9a9e4a498641dcbd5a923a1249239/fonts.zip
+https://storage.googleapis.com/flutter_infra/flutter/fonts/13ac995daa9dda0a6ba0a45f1fccc541e616a74c/fonts.zip