changed minimum go version to 1.17 as echo latest version is breaking…

… in go.16

instrumentation/instaecho/example_test.go

@@ -1,8 +1,8 @@
 // (c) Copyright IBM Corp. 2021
 // (c) Copyright Instana Inc. 2016
 
-//go:build go1.16
-// +build go1.16
+//go:build go1.17
+// +build go1.17
 
 package instaecho_test
 

instrumentation/instaecho/go.mod

@@ -1,10 +1,26 @@
 module github.com/instana/go-sensor/instrumentation/instaecho
 
-go 1.15
+go 1.17
 
 require (
 	github.com/instana/go-sensor v1.58.0
 	github.com/labstack/echo/v4 v4.11.3
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/stretchr/testify v1.8.4
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/labstack/gommon v0.4.0 // indirect
+	github.com/looplab/fsm v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

instrumentation/instaecho/handler.go

@@ -1,8 +1,8 @@
 // (c) Copyright IBM Corp. 2021
 // (c) Copyright Instana Inc. 2016
 
-//go:build go1.16
-// +build go1.16
+//go:build go1.17
+// +build go1.17
 
 package instaecho
 

instrumentation/instaecho/handler_test.go

@@ -1,8 +1,8 @@
 // (c) Copyright IBM Corp. 2021
 // (c) Copyright Instana Inc. 2016
 
-//go:build go1.16
-// +build go1.16
+//go:build go1.17
+// +build go1.17
 
 package instaecho_test