fix: update community invite text in push notification

Changes the community invitation text notifications from

“Upgrade to see a community invitation”

to

**InviteUsersToCommunity**
```golang
fmt.Sprintf("You have been invited to the community %s", community.Name())
```

**ShareCommunity**
```golang
fmt.Sprintf("Community %s has been shared with you", community.Name())
```

vendor/status-go

@@ -1 +1 @@
-Subproject commit 43fa2edc1e6e0afa65724d47a95d47cd28c21d85
+Subproject commit 50bfd7488be62e57ab743b420cf7f9a4ba6aa0c8