doc: add snap to the release checklist

docs/RELEASE_ISSUE_TEMPLATE.md

@@ -86,7 +86,10 @@ Checklist:
       - [ ] to [dist.ipfs.io](https://dist.ipfs.io)
       - [ ] to [npm-go-ipfs](https://github.com/ipfs/npm-go-ipfs)
       - [ ] to [chocolatey](https://chocolatey.org/packages/ipfs)
+      - [ ] to [snap](https://snapcraft.io/ipfs)
       - [ ] to [github](https://github.com/ipfs/go-ipfs/releases)
+      - [ ] to [arch](https://www.archlinux.org/packages/community/x86_64/go-ipfs/) (flag it out of date)
+    - [ ] Cut a new ipfs-desktop release
   - [ ] Publish a Release Blog post (at minimum, a c&p of this release issue with all the highlights, API changes, link to changelog and thank yous)
   - [ ] Broadcasting (link to blog post)
     - [ ] Twitter