Update Wuffs version

The primary purpose of this commit is to track upstream Wuffs more
closely.

A side effect is to pull in the Wuffs commit
https://github.com/google/wuffs/commit/ca9015bd2d41f9242462a8aafd981a897ae0ef9d
"Have std/gif replicate interlaced rows", which lessens a difference
between the old third_party/gif decoder and the new third_party/wuffs
decoder.

Bug: skia:8235
Change-Id: I8f42423e0e931ce32c49b791b325d50f83dd7eac
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/243336
Commit-Queue: Leon Scroggins <scroggo@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
diff --git a/DEPS b/DEPS
index 852731b..abe8194 100644
--- a/DEPS
+++ b/DEPS
@@ -32,7 +32,7 @@
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@0c4feb643b89d1792b02f7cbef315e9d95633bd7",
   "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@1f89f58faeb8287f29e3e5ba7d03d62f667404a0",
   #"third_party/externals/v8"              : "https://chromium.googlesource.com/v8/v8.git@5f1ae66d5634e43563b2d25ea652dfb94c31a3b4",
-  "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@6ad7d00a262e862549e4963b4a43d148a8285e50",
+  "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@65e7b2b6c98a4d35e26bc2fc437e2e00f1393dc2",
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@47af7c547f8551bd25424e56354a2ae1e9062859",
 
   "../src": {
diff --git a/src/codec/SkWuffsCodec.cpp b/src/codec/SkWuffsCodec.cpp
index e484c2b..f263000 100644
--- a/src/codec/SkWuffsCodec.cpp
+++ b/src/codec/SkWuffsCodec.cpp
@@ -29,7 +29,7 @@
 #error "SkWuffsCodec should not #define WUFFS_IMPLEMENTATION"
 #endif
 #include "wuffs-v0.2.c"
-#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1776
+#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1903
 #error "Wuffs version is too old. Upgrade to the latest version."
 #endif