niv common: update 8f122bb4 -> 5d2f401b (#1879)

## Changelog for common:
Branch: master
Commits: [dfinity-lab/common@8f122bb4...5d2f401b](https://github.com/dfinity-lab/common/compare/8f122bb4312313e8a5143d92e34f106c1c8405d9...5d2f401b48ab5b94de42b19f31bfe79c27bcb346)

* [`5b875a02`](https://github.com/dfinity-lab/common/commit/5b875a0212f52e9372b166eafd3fecfec195af71) Add yotam to accounts
* [`3097a75b`](https://github.com/dfinity-lab/common/commit/3097a75b9bc7d7bc7c139d042bce7e7cc4d64a95) add bogdan to accounts
* [`8c1d0bf5`](https://github.com/dfinity-lab/common/commit/8c1d0bf508df2c253f18b5ce4588379bfffb9e80) add rahul to accounts

Author: dfinity-bot

nix/sources.json

@@ -2,7 +2,7 @@
     "common": {
         "ref": "master",
         "repo": "ssh://git@github.com/dfinity-lab/common",
-        "rev": "8f122bb4312313e8a5143d92e34f106c1c8405d9",
+        "rev": "5d2f401b48ab5b94de42b19f31bfe79c27bcb346",
         "type": "git"
     },
     "dfinity": {