Improve features dev-ex (#1831)

Adds a config file that allows to run `zepter` without any arguments in
the workspace to address all issues.
A secondary workflow for the CI is provided as `zepter run check`. Both
the formatting and linting are now in one check for efficiancy.

The latest version also detects some more things that `featalign` was
already showing.

Error message [in the
CI](https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/jobs/3916205)
now looks like this:
```pre
...
crate 'test-parachains' (/Users/vados/Documents/work/polkadot-sdk/polkadot/parachain/test-parachains/Cargo.toml)
  feature 'std'
    must propagate to:
      parity-scale-codec
Found 55 issues (run with --fix to fix).
Error: Command 'lint propagate-feature' failed with exit code 1

Polkadot-SDK uses the Zepter CLI to detect abnormalities in the feature configuration.
It looks like one more more checks failed; please check the console output. You can try to automatically address them by running `zepter`.
Otherwise please ask directly in the Merge Request, GitHub Discussions or on Matrix Chat, thank you.

For more information, see:
  - paritytech/polkadot-sdk#1831
  - https://github.com/ggwpez/zepter
```

TODO:
- [x] Check that CI fails correctly

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

Cargo.toml

@@ -29,6 +29,7 @@ wasm-api = []
 std = [
 	"bounded-collections/std",
 	"environmental/std",
+	"log/std",
 	"parity-scale-codec/std",
 	"scale-info/std",
 	"serde/std",

pallet-xcm-benchmarks/Cargo.toml

@@ -41,6 +41,8 @@ std = [
 	"frame-benchmarking/std",
 	"frame-support/std",
 	"frame-system/std",
+	"log/std",
+	"scale-info/std",
 	"sp-io/std",
 	"sp-runtime/std",
 	"sp-std/std",

pallet-xcm/Cargo.toml

@@ -38,6 +38,7 @@ std = [
 	"frame-benchmarking?/std",
 	"frame-support/std",
 	"frame-system/std",
+	"log/std",
 	"scale-info/std",
 	"serde",
 	"sp-core/std",

xcm-executor/Cargo.toml

@@ -29,6 +29,7 @@ runtime-benchmarks = [
 	"sp-runtime/runtime-benchmarks",
 ]
 std = [
+	"environmental/std",
 	"frame-benchmarking/std",
 	"frame-support/std",
 	"log/std",