doc: fix location of NO_COLOR in CLI docs

The 'coverage output' and 'source map cache' sections were
appearing under the NO_COLOR environment variable instead of
the NODE_V8_COVERAGE enviroment variable where they were intended
to be. This commit fixes that issue.

doc/api/cli.md

@@ -3378,11 +3378,6 @@ easier to instrument applications that call the `child_process.spawn()` family
 of functions. `NODE_V8_COVERAGE` can be set to an empty string, to prevent
 propagation.
 
-### `NO_COLOR=<any>`
-
-[`NO_COLOR`][]  is an alias for `NODE_DISABLE_COLORS`. The value of the
-environment variable is arbitrary.
-
 #### Coverage output
 
 Coverage is output as an array of [ScriptCoverage][] objects on the top-level
@@ -3448,6 +3443,11 @@ and the line lengths of the source file (in the key `lineLengths`).
 }
 ```
 
+### `NO_COLOR=<any>`
+
+[`NO_COLOR`][]  is an alias for `NODE_DISABLE_COLORS`. The value of the
+environment variable is arbitrary.
+
 ### `OPENSSL_CONF=file`
 
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