fix: upgrade deps and golang version

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:
-        go-version: ^1.13
+        go-version: ^1.16
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2

go.mod

@@ -15,17 +15,17 @@ require (
 	github.com/go-playground/validator/v10 v10.1.0
 	github.com/go-resty/resty/v2 v2.1.0
 	github.com/gorilla/mux v1.8.0 // indirect
-	github.com/labstack/echo/v4 v4.1.14
+	github.com/labstack/echo/v4 v4.5.0
 	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
 	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/cobra v0.0.5
-	github.com/spf13/pflag v1.0.3
-	github.com/spf13/viper v1.6.2
-	github.com/stretchr/testify v1.4.0
+	github.com/spf13/pflag v1.0.5
+	github.com/spf13/viper v1.8.1
+	github.com/stretchr/testify v1.7.0
 	gotest.tools/v3 v3.1.0 // indirect
 	sigs.k8s.io/yaml v1.1.0
 )