niv stable: update 70717a33 -> 8946799e

## Motivation

Dependencies should be up to date.

## Changelog for stable:
Commits: [NixOS/nixpkgs@70717a33...8946799e](NixOS/nixpkgs@70717a3...8946799)

* [`b96198c9`](NixOS/nixpkgs@b96198c) chromium: 83.0.4103.61 -> 83.0.4103.97
* [`e33969c1`](NixOS/nixpkgs@e33969c) chromiumBeta: Fix the source hash
* [`af29475a`](NixOS/nixpkgs@af29475) palemoon: 28.9.1 -> 28.9.3
* [`034c9b1e`](NixOS/nixpkgs@034c9b1) pyxdg: fix missing class field Type
* [`bf571328`](NixOS/nixpkgs@bf57132) gcc: Fix MinGW exception handling so Rust works
* [`06e882b0`](NixOS/nixpkgs@06e882b) gcc: Clean up configure flags
* [`b845898c`](NixOS/nixpkgs@b845898) graylog: 3.2.5 -> 3.3.0
* [`974353b2`](NixOS/nixpkgs@974353b) graylogPlugins: Update and add plugins
* [`a83164c2`](NixOS/nixpkgs@a83164c) linux: 4.19.126 -> 4.19.127
* [`a91a07a0`](NixOS/nixpkgs@a91a07a) linux: 5.4.44 -> 5.4.45
* [`f6f6d507`](NixOS/nixpkgs@f6f6d50) linux: 5.6.16 -> 5.6.17
* [`ca6e453f`](NixOS/nixpkgs@ca6e453) coq_8_11: 8.11.1 → 8.11.2
* [`03da8782`](NixOS/nixpkgs@03da878) gnutls: 3.6.13 -> 3.6.14
* [`d68215db`](NixOS/nixpkgs@d68215d) Merge NixOS/nixpkgs#89029: sqlite: 3.30.1 -> 3.32.2 (security)
* [`92d5b1b5`](NixOS/nixpkgs@92d5b1b) hydra-unstable: 2020-04-16 -> 2020-06-01
* [`123d8314`](NixOS/nixpkgs@123d831) mumble: 1.3.0 -> 1.3.1 (NixOS/nixpkgs#89988)
* [`159c6a73`](NixOS/nixpkgs@159c6a7) chromiumDev: Fix the configuration phase
* [`48f3b974`](NixOS/nixpkgs@48f3b97) chromiumBeta: Fix the configuration phase
* [`e0c7e1fd`](NixOS/nixpkgs@e0c7e1f) chromium{Beta,Dev}: Fix the builds
* [`118e07c3`](NixOS/nixpkgs@118e07c) slurm: 19.05.5.1 -> 19.05.7.1
* [`8946799e`](NixOS/nixpkgs@8946799) slurm: bugifx, add su/echo paths

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "70717a337f7ae4e486ba71a500367cad697e5f09",
-        "sha256": "1sbmqn7yc5iilqnvy9nvhsa9bx6spfq1kndvvis9031723iyymd1",
+        "rev": "8946799e079e466c0420c18312861090e08a8fe7",
+        "sha256": "10dwzdari9zjmqciccyyymmsj6zr5s76s9yqgs6ipshyfkkx7hrc",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/70717a337f7ae4e486ba71a500367cad697e5f09.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/8946799e079e466c0420c18312861090e08a8fe7.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "stack2nix": {