[v8.5.x] Chore: Release 8.5.14 (#56698)

* remove support for v1

(cherry picked from commit 8630a7a991af74edc4030f57d37a4bc263202fde)

* Security: Make proxy endpoints not leak sensitive HTTP headers

Fixes CVE-2022-31130

(cherry picked from commit 2974574a53ab6d26be7b706e76271173a91fea3a)

* Security: Fix do not forward login cookie in outgoing requests

(cherry picked from commit 54a32fc83b233f5910495b5fcca0b4f881221538)

* Add test for username/login field conflict

(cherry picked from commit 7aabcf2694)

* Swap order of login fields

(cherry picked from commit 5ec176cada)

* "Release: Updated versions in package to 8.5.14" (#547)

Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
Co-authored-by: linoman <2051016+linoman@users.noreply.github.com>
Co-authored-by: Grot (@grafanabot) <43478413+grafanabot@users.noreply.github.com>

pkg/plugins/manager/loader/loader_test.go

@@ -312,7 +312,7 @@ func TestLoader_Load(t *testing.T) {
 			},
 		},
 		{
-			name:  "Load an unsigned plugin with modified signature (production)",
+			name:  "Load a plugin with v1 manifest should return signatureInvalid",
 			class: plugins.External,
 			cfg: &plugins.Cfg{
 				PluginsPath: filepath.Join(parentDir),
@@ -322,12 +322,12 @@ func TestLoader_Load(t *testing.T) {
 			pluginErrors: map[string]*plugins.Error{
 				"test": {
 					PluginID:  "test",
-					ErrorCode: "signatureModified",
+					ErrorCode: "signatureInvalid",
 				},
 			},
 		},
 		{
-			name:  "Load an unsigned plugin with modified signature using PluginsAllowUnsigned config (production) still includes a signing error",
+			name:  "Load a plugin with v1 manifest using PluginsAllowUnsigned config should return signatureInvalid",
 			class: plugins.External,
 			cfg: &plugins.Cfg{
 				PluginsPath:          filepath.Join(parentDir),
@@ -338,7 +338,7 @@ func TestLoader_Load(t *testing.T) {
 			pluginErrors: map[string]*plugins.Error{
 				"test": {
 					PluginID:  "test",
-					ErrorCode: "signatureModified",
+					ErrorCode: "signatureInvalid",
 				},
 			},
 		},