chore: add blank lines to Cargo.toml file header

Cross.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore (misc) dpkg noninteractive tzdata
+
 [build]
 pre-build = [
   "apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install tzdata",

src/uu/date/Cargo.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore datetime tzdb zoneinfo
+
 [package]
 name = "uu_date"
 description = "date ~ (uutils) display or set the current time"

src/uu/seq/Cargo.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore bigdecimal extendedbigdecimal
+
 [package]
 name = "uu_seq"
 description = "seq ~ (uutils) display a sequence of numbers"

src/uu/stdbuf/Cargo.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore dpkg
+
 [package]
 name = "uu_stdbuf"
 description = "stdbuf ~ (uutils) run COMMAND with modified standard stream buffering"

src/uu/tail/Cargo.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore (libs) kqueue
+
 [package]
 name = "uu_tail"
 description = "tail ~ (uutils) display the last lines of input"

src/uu/touch/Cargo.toml

@@ -1,4 +1,5 @@
 # spell-checker:ignore datetime
+
 [package]
 name = "uu_touch"
 description = "touch ~ (uutils) change FILE timestamps"