feat: support plugins (#878)

* fix(log): set the default logger

* feat: support plugins

* feat(plugin): add run command

* feat(plugin): add uninstall command

* test(plugin): add tests

* chore(ci): pin go version

* chore(ci): disable G204

* refactor: fix lint issues

* feat(plugin): skip downloading installed plugins

* feat: add TRIVY_RUN_AS_PLUGIN

* support Ubuntu 20.10 (#876)

* docs(README): update ubuntu versions (#877)

* add MkDocs implementation (#870)

* mkdocs: add top level nav

* mkdocs: add installation nav

* mkdocs: add quick-start nav

* mkdocs: add examples nav

* mkdocs: add CI nav

* mkdocs: add vuln-detection nav

* mkdocs: add comparison nav

* mkdocs: add usage nav

* mkdocs: add migration nav

* mkdocs: add FAQ nav

* mkdocs: add mkdocs.yml

* mkdocs: add github workflow

* docs: update documents

* fix links

* chore(ci): use ORG_GITHUB_TOKEN

* chore(mkdocs): use mike

* chore(ci): support dev

* chore(ci): documentation test

Co-authored-by: knqyf263 <knqyf263@gmail.com>

* docs: add plugins

* chore: remove stale workflow

* refactor: fix lint issues

Co-authored-by: Huang Huang <mozillazg101@gmail.com>
Co-authored-by: aprp <doelaudi@gmail.com>

pkg/github/github_test.go

@@ -13,9 +13,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/stretchr/testify/require"
-
-	"github.com/aquasecurity/trivy/pkg/log"
 	"golang.org/x/xerrors"
 
 	"github.com/stretchr/testify/assert"
@@ -411,9 +408,6 @@ func TestClient_DownloadDB(t *testing.T) {
 		},
 	}
 
-	err := log.InitLogger(false, true)
-	require.NoError(t, err, "Init logger failed")
-
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		switch r.URL.Path {
 		case "/happy":