Fix CHANGELOG entry for go.mod parsing in #411 and add missing v162 r…

…elease (#488)

* Fix CHANGELOG entry for go.mod parsing in #378

* Add v162 release

Since the changelog was not updated when #487 was released:

```
$ h buildpacks:versions heroku/go | head -n4
Version  Released At               Status
───────  ────────────────────────  ─────────
162      2022-05-23T19:42:06.208Z  published
161      2022-03-15T22:11:28.510Z  published
```

Co-authored-by: Ed Morley <[email protected]>

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Go Buildpack Changelog
 
 ## Unreleased
+* Use the go version in `go.mod` if no `+heroku` comment is found (#378/#411)
+
+## v162 (2022-03-23)
 * Add go1.17.9
 * Add go1.17.10
 * Add go1.18.1
@@ -52,7 +55,6 @@
 ## v155 (2021-09-13)
 * Add go1.16.8, use for go1.16
 * Add go1.17.1, use for go1.17
-* Use the go version in go.mod if no +heroku comment is found (#378)
 
 ## v154 (2021-08-18)
 * Add go1.17