feat: add SAML as identity provider (#6454)

* feat: first implementation for saml sp

* fix: add command side instance and org for saml provider

* fix: add query side instance and org for saml provider

* fix: request handling in event and retrieval of finished intent

* fix: add review changes and integration tests

* fix: add integration tests for saml idp

* fix: correct unit tests with review changes

* fix: add saml session unit test

* fix: add saml session unit test

* fix: add saml session unit test

* fix: changes from review

* fix: changes from review

* fix: proto build error

* fix: proto build error

* fix: proto build error

* fix: proto require metadata oneof

* fix: login with saml provider

* fix: integration test for saml assertion

* lint client.go

* fix json tag

* fix: linting

* fix import

* fix: linting

* fix saml idp query

* fix: linting

* lint: try all issues

* revert linting config

* fix: add regenerate endpoints

* fix: translations

* fix mk.yaml

* ignore acs path for user agent cookie

* fix: add AuthFromProvider test for saml

* fix: integration test for saml retrieve information

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>

internal/idp/providers/github/github_test.go

@@ -44,10 +44,14 @@ func TestProvider_BeginAuth(t *testing.T) {
 			provider, err := New(tt.fields.clientID, tt.fields.clientSecret, tt.fields.redirectURI, tt.fields.scopes, tt.fields.options...)
 			r.NoError(err)
 
-			session, err := provider.BeginAuth(context.Background(), "testState")
+			ctx := context.Background()
+			session, err := provider.BeginAuth(ctx, "testState")
 			r.NoError(err)
 
-			a.Equal(tt.want.GetAuthURL(), session.GetAuthURL())
+			wantHeaders, wantContent := tt.want.GetAuth(ctx)
+			gotHeaders, gotContent := session.GetAuth(ctx)
+			a.Equal(wantHeaders, gotHeaders)
+			a.Equal(wantContent, gotContent)
 		})
 	}
 }