CI: Fix docs build

There is a regexp that extract the version that can't cope with comments on the same line

Author: ogoffart

internal/core/Cargo.toml

@@ -52,7 +52,8 @@ num-traits = { version = "0.2", default-features = false }
 once_cell = { version = "1.5", default-features = false }
 pin-project = "1"
 pin-weak = { version = "1.1", default-features = false }
-rgb = "0.8.27" # Note: the rgb version is extracted in ci.yaml for rustdoc builds
+# Note: the rgb version is extracted in ci.yaml for rustdoc builds
+rgb = "0.8.27"
 scoped-tls-hkt = { version = "0.1", optional = true }
 scopeguard =  { version = "1.1.0", default-features = false }
 slab = { version = "0.4.3", default-features = false }