Merge pull request #159 from captain-Akshay/goverison

updated makefile, docker ,gomod to 1.21

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19 as builder
+FROM golang:1.21 as builder
 
 ARG VERSION
 ARG GIT_COMMITSHA

build/Makefile.core.mk

@@ -19,7 +19,7 @@ GIT_VERSION	= $(shell git describe --tags `git rev-list --tags --max-count=1`)
 GIT_COMMITSHA = $(shell git rev-list -1 HEAD)
 GIT_STRIPPED_VERSION=$(shell git describe --tags `git rev-list --tags --max-count=1` | cut -c 2-)
 
-GOVERSION = 1.19
+GOVERSION = 1.21
 GOPATH = $(shell go env GOPATH)
 GOBIN  = $(GOPATH)/bin
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/layer5io/meshery-app-mesh
 
-go 1.19
+go 1.21
 
 replace (
 	github.com/kudobuilder/kuttl => github.com/layer5io/kuttl v0.4.1-0.20200723152044-916f10574334
@@ -26,9 +26,6 @@ require (
 	github.com/Masterminds/semver/v3 v3.2.0 // indirect
 	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
 	github.com/Masterminds/squirrel v1.5.3 // indirect
-	github.com/Microsoft/go-winio v0.5.2 // indirect
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
 	github.com/apache/thrift v0.13.0 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -114,7 +111,6 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0-rc2 // indirect
-	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -124,7 +120,6 @@ require (
 	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rubenv/sql-migrate v1.2.0 // indirect
-	github.com/russross/blackfriday v1.6.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sergi/go-diff v1.2.0 // indirect
 	github.com/shopspring/decimal v1.3.1 // indirect