Fix Nancy to use Go 1.22

Signed-off-by: Steve Coffman <steve@khanacademy.org>

Author: StevenACoffman

.github/workflows/security.yml

@@ -16,7 +16,7 @@ jobs:
   nancy:
     strategy:
       matrix:
-        go: ["1.21"] # nancy is a little flaky
+        go: ["1.22"] # nancy is a little flaky
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4