Add rand_core alignment fix references

Author: cookesan

advisories/github-reviewed/2021/08/GHSA-mmc9-pwm7-qj5w/GHSA-mmc9-pwm7-qj5w.json

@@ -59,6 +59,22 @@
       "type": "WEB",
       "url": "https://github.com/rust-random/rand/security/advisories/GHSA-mmc9-pwm7-qj5w"
     },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rust-random/rand/pull/853"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rust-random/rand/commit/7895ad4f655325141e55a3ec9fae87dab3d9014f"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rust-random/rand/commit/26456b5e1e669c0545034b2e85bcc964168a23fe"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rust-random/rand/commit/3bede5f59df5f752703c021ab07e406fb3db9f67"
+    },
     {
       "type": "PACKAGE",
       "url": "https://github.com/rust-random/rand"