debt: Drop Go 1.16 support

Author: kieran-ryan

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [ 1.16.x, 1.17.x, oldstable, stable ] # Lowest supported and current stable versions.
+        go-version: [ 1.17.x, oldstable, stable ] # Lowest supported and current stable versions.
     runs-on: ubuntu-latest
     steps:
       - name: Install Go

CHANGELOG.md

@@ -7,6 +7,8 @@ This project adheres to [Semantic Versioning](http://semver.org).
 This document is formatted according to the principles of [Keep A CHANGELOG](http://keepachangelog.com).
 
 ## Unreleased
+### Removed
+- Dropped Go 1.16 support
 
 ## [v0.15.1]
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/cucumber/godog
 
-go 1.16
+go 1.17
 
 require (
 	github.com/cucumber/gherkin/go/v26 v26.2.0