[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/api/pluginproxy/ds_proxy.go

@@ -214,7 +214,7 @@ func (proxy *DataSourceProxy) director(req *http.Request) {
 		}
 	}
 
-	proxyutil.ClearCookieHeader(req, keepCookieNames)
+	proxyutil.ClearCookieHeader(req, keepCookieNames, []string{proxy.cfg.LoginCookieName})
 	req.Header.Set("User-Agent", fmt.Sprintf("Grafana/%s", setting.BuildVersion))
 
 	jsonData := make(map[string]interface{})