Move some ChangeLog entries not included in 1.6.3

Some PRs that were opened before 1.6.3 ended up modifying the changelog for the released version.  This moves them to the right part of the changelog.

ChangeLog.md

@@ -18,6 +18,13 @@ Other enhancements:
 
 Bug fixes:
 
+* The script interpreter's implicit file arguments are now passed before other
+  arguments. See [#3658](https://github.com/commercialhaskell/stack/issues/3658).
+  In particular, this makes it possible to pass `-- +RTS ... -RTS` to specify
+  RTS arguments used when running the script.
+* Don't ignore the template `year` parameter in config files, and clarify the
+  surrounding documentation. See
+  [#2275](https://github.com/commercialhaskell/stack/issues/2275).
 * Benchmarks used to be run concurrently with other benchmarks
   and build steps. This is non-ideal because CPU usage of other processes
   may interfere with benchmarks. It also prevented benchmark output from
@@ -43,13 +50,6 @@ Bug fixes:
 * Run the Cabal file checking in the `sdist` command more reliably by
   allowing the Cabal library to flatten the
   `GenericPackageDescription` itself.
-* The script interpreter's implicit file arguments are now passed before other
-  arguments. See [#3658](https://github.com/commercialhaskell/stack/issues/3658).
-  In particular, this makes it possible to pass `-- +RTS ... -RTS` to specify
-  RTS arguments used when running the script.
-* Don't ignore the template `year` parameter in config files, and clarify the
-  surrounding documentation. See
-  [#2275](https://github.com/commercialhaskell/stack/issues/2275).
 
 ## v1.6.1.1