Bump github.com/alecthomas/kong from 0.3.0 to 0.4.0 (#425)

Bumps github.com/alecthomas/kong from 0.3.0 to 0.4.0.

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Shashank Sinha <[email protected]>

Author: dependabot[bot]

go.mod

@@ -7,7 +7,7 @@ go 1.17
 
 require (
 	github.com/AlekSi/pointer v1.1.0
-	github.com/alecthomas/kong v0.3.0
+	github.com/alecthomas/kong v0.4.0
 	github.com/golang/snappy v0.0.3 // indirect
 	github.com/klauspost/compress v1.13.6 // indirect
 	github.com/percona/exporter_shared v0.7.4-0.20211108113423-8555cdbac68b

go.sum

@@ -42,8 +42,8 @@ github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdko
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 h1:fLjPD/aNc3UIOA6tDi6QXUemppXK3P9BI7mr2hd6gx8=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/alecthomas/kingpin v2.2.6+incompatible/go.mod h1:59OFYbFVLKQKq+mqrL6Rw5bR0c3ACQaawgXx0QYndlE=
-github.com/alecthomas/kong v0.3.0 h1:qOLFzu0dGPNz8z5TiXGzgW3gb3RXfWVJKeAxcghVW88=
-github.com/alecthomas/kong v0.3.0/go.mod h1:uzxf/HUh0tj43x1AyJROl3JT7SgsZ5m+icOv1csRhc0=
+github.com/alecthomas/kong v0.4.0 h1:uj5Xe5RaoSRu2sUIy6XZk5QO9NaLU7/+2HXq7GRas/4=
+github.com/alecthomas/kong v0.4.0/go.mod h1:uzxf/HUh0tj43x1AyJROl3JT7SgsZ5m+icOv1csRhc0=
 github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142 h1:8Uy0oSf5co/NZXje7U1z8Mpep++QJOldL2hs/sBQf48=
 github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=