fix(deps): resolve dep warning messages

Set version constraint for all dependencies

Signed-off-by: Adam Reese <adam@reese.io>

Gopkg.lock

@@ -567,12 +567,12 @@
   version = "v1.0.3"
 
 [[projects]]
-  digest = "1:18752d0b95816a1b777505a97f71c7467a8445b8ffb55631a7bf779f6ba4fa83"
+  digest = "1:972c2427413d41a1e06ca4897e8528e5a1622894050e2f527b38ddf0f343f759"
   name = "github.com/stretchr/testify"
   packages = ["assert"]
   pruneopts = "UT"
-  revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686"
-  version = "v1.2.2"
+  revision = "ffdc059bfe9ce6a4e144ba849dbedead332c6053"
+  version = "v1.3.0"
 
 [[projects]]
   digest = "1:2ae8314c44cd413cfdb5b1df082b350116dd8d2fff973e62c01b285b7affd89e"
@@ -1276,6 +1276,7 @@
     "golang.org/x/crypto/openpgp/errors",
     "golang.org/x/crypto/openpgp/packet",
     "golang.org/x/crypto/ssh/terminal",
+    "gopkg.in/yaml.v2",
     "k8s.io/api/apps/v1",
     "k8s.io/api/apps/v1beta1",
     "k8s.io/api/apps/v1beta2",

Gopkg.toml

@@ -55,9 +55,11 @@
   name = "github.com/imdario/mergo"
   version = "v0.3.5"
 
+[[constraint]]
+  name = "github.com/stretchr/testify"
+  version = "^1.3.0"
+
 [prune]
   go-tests = true
   unused-packages = true
 
-[[constraint]]
-  name = "github.com/stretchr/testify"