Move around some keys in deny.toml

cargo-deny moved some keys in deny.toml into different sections and
deprecated the "old" locations. Adjust our configuration accordingly to
get rid of the associated warnings.

Signed-off-by: Daniel Müller <[email protected]>

Author: d-e-s-o

deny.toml

@@ -9,8 +9,7 @@
 # The values provided in this template are the default values that will be used
 # when any section or field is not specified in your own configuration
 
-# Root options
-
+[graph]
 # If 1 or more target triples (and optionally, target_features) are specified,
 # only the specified targets will be checked when running `cargo deny check`.
 # This means, if a particular package is only ever used as a target specific
@@ -43,9 +42,8 @@ all-features = false
 # If true, metadata will be collected with `--no-default-features`. The same
 # caveat with `all-features` applies
 no-default-features = false
-# If set, these feature will be enabled when collecting metadata. If `--features`
-# is specified on the cmd line they will take precedence over this option.
-#features = []
+
+[output]
 # When outputting inclusion graphs in diagnostics that include features, this
 # option can be used to specify the depth at which feature edges will be added.
 # This option is included since the graphs can be quite large and the addition