Bump dependencies (#1573)

Bumps dependencies mainly to fix possible go mod error that is fixed via 0edd534322, but also bumps all the other dependencies because they looked very outdated :)

go.mod

@@ -7,30 +7,31 @@ require (
 	github.com/Masterminds/semver/v3 v3.1.0
 	github.com/Masterminds/sprig/v3 v3.1.0
 	github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a
-	github.com/go-test/deep v1.0.3
-	github.com/golang/mock v1.4.3
-	github.com/google/go-cmp v0.4.0
-	github.com/gosuri/uitable v0.0.3
-	github.com/hashicorp/go-getter v1.3.0
+	github.com/frankban/quicktest v1.11.2 // indirect
+	github.com/go-test/deep v1.0.7
+	github.com/golang/mock v1.4.4
+	github.com/google/go-cmp v0.5.2
+	github.com/gosuri/uitable v0.0.4
+	github.com/hashicorp/go-getter v1.5.0
 	github.com/hashicorp/go-retryablehttp v0.6.3 // indirect
-	github.com/hashicorp/go-version v1.2.0
+	github.com/hashicorp/go-version v1.2.1
 	github.com/howeyc/gopass v0.0.0-20190910152052-7cb4b85ec19c // indirect
 	github.com/imdario/mergo v0.3.11
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/pierrec/lz4 v2.3.0+incompatible // indirect
-	github.com/r3labs/diff v0.0.0-20190801153147-a71de73c46ad
-	github.com/spf13/cobra v0.0.3
+	github.com/r3labs/diff v1.1.0
+	github.com/spf13/cobra v1.1.1
 	github.com/tatsushid/go-prettytable v0.0.0-20141013043238-ed2d14c29939
-	github.com/urfave/cli v1.20.0
+	github.com/urfave/cli v1.22.5
 	github.com/variantdev/chartify v0.4.8
 	github.com/variantdev/dag v0.0.0-20191028002400-bb0b3c785363
-	github.com/variantdev/vals v0.10.3
-	go.uber.org/multierr v1.1.0
-	go.uber.org/zap v1.9.1
-	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a
+	github.com/variantdev/vals v0.11.0
+	go.uber.org/multierr v1.6.0
+	go.uber.org/zap v1.16.0
+	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
 	gopkg.in/square/go-jose.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v2 v2.3.0
 	gotest.tools v2.2.0+incompatible
-	gotest.tools/v3 v3.0.3-0.20200410202438-4e4a41b7851a
-	k8s.io/apimachinery v0.0.0-20190409092423-760d1845f48b
+	gotest.tools/v3 v3.0.3
+	k8s.io/apimachinery v0.19.3
 )