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

Roller-URL: https://ci.chromium.org/b/8827921754648446801
Cq-Cl-Tag: roller-builder:samples-sdk-updater
Cq-Cl-Tag: roller-bid:8827921754648446801
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I9a2a513698db126ab6b20fd88162e3eee2776787
Reviewed-on: https://fuchsia-review.googlesource.com/c/samples/+/619145
Commit-Queue: third_party Roller <third-party-roller@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/sdk.version b/sdk.version
index e37af82..39e670f 100644
--- a/sdk.version
+++ b/sdk.version
@@ -1 +1 @@
-7.20211213.1.1
+7.20211213.3.1