Bump version to 0.0.7 for cargo-deb Debian packages

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ffsend"
-version = "0.0.6"
+version = "0.0.7"
 authors = ["Tim Visee <timvisee@gmail.com>"]
 license = "GPL-3.0"
 readme = "README.md"

README.md

@@ -324,7 +324,7 @@ documentation [here][send-encryption].
 ```
 $ ffsend help
 
-ffsend 0.0.6
+ffsend 0.0.7
 Tim Visee <https://timvisee.com/>
 Easily and securely share files from the command line.
 A fully featured Firefox Send client.