Update SKP version

Automatic commit by the RecreateSKPs bot.

TBR=
NO_MERGE_BUILDS
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2249443002

Review-Url: https://codereview.chromium.org/2249443002
diff --git a/infra/bots/assets/skp/VERSION b/infra/bots/assets/skp/VERSION
index e440e5c..bf0d87a 100644
--- a/infra/bots/assets/skp/VERSION
+++ b/infra/bots/assets/skp/VERSION
@@ -1 +1 @@
-3
\ No newline at end of file
+4
\ No newline at end of file