feat(build): add github.com/breml/rootcerts (#2695)

- Valid CAs are built-in the Go binary and used if they are not found in the operating system
- Fix missing CAs related errors on Docker images

Author: qdm12

cmd/gossamer/main.go

@@ -14,6 +14,8 @@ import (
 	"github.com/ChainSafe/gossamer/lib/keystore"
 	"github.com/ChainSafe/gossamer/lib/utils"
 	"github.com/urfave/cli"
+
+	_ "github.com/breml/rootcerts"
 )
 
 const (

go.mod

@@ -4,6 +4,7 @@ require (
 	github.com/ChainSafe/chaindb v0.1.5-0.20220322154826-c0d431995732
 	github.com/ChainSafe/go-schnorrkel v0.0.0-20210318173838-ccb5cd955283
 	github.com/OneOfOne/xxhash v1.2.8
+	github.com/breml/rootcerts v0.2.6
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
 	github.com/centrifuge/go-substrate-rpc-client/v3 v3.0.2
 	github.com/chyeh/pubip v0.0.0-20170203095919-b7e679cf541c

go.sum

@@ -125,6 +125,8 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
+github.com/breml/rootcerts v0.2.6 h1:CdPczjzItec+wopLoDsBAFcLEai2q7Yayfg/94/q/2E=
+github.com/breml/rootcerts v0.2.6/go.mod h1:24FDtzYMpqIeYC7QzaE8VPRQaFZU5TIUDlyk8qwjD88=
 github.com/btcsuite/btcd v0.0.0-20171128150713-2e60448ffcc6/go.mod h1:Dmm/EzmjnCiweXmzRIAiUWCInVmPgjkzgv5k4tVyXiQ=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
 github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=