Run "scripts/update-fuchsia-sdk.sh"

Roller-URL: https://ci.chromium.org/b/8828547765471507281
Cq-Cl-Tag: roller-builder:samples-sdk-updater
Cq-Cl-Tag: roller-bid:8828547765471507281
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I00a445380ebb869217e525d9ac010802a10a0399
Reviewed-on: https://fuchsia-review.googlesource.com/c/samples/+/615001
Commit-Queue: third_party Roller <third-party-roller@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/sdk.version b/sdk.version
index f220f6c..318d204 100644
--- a/sdk.version
+++ b/sdk.version
@@ -1 +1 @@
-7.20211206.1.1
+7.20211206.3.1