Chore: Enable scopelint Go linter (#25896)

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/api/pluginproxy/access_token_provider_test.go

@@ -189,6 +189,7 @@ func TestAccessToken(t *testing.T) {
 				},
 			}
 			for _, testCase := range testCases {
+				testCase := testCase
 				Convey(testCase.desc, func() {
 					clearTokenCache()
 					// reset the httphandler counter

pkg/api/pluginproxy/ds_proxy_test.go

@@ -617,6 +617,7 @@ func TestNewDataSourceProxy_MSSQL(t *testing.T) {
 		},
 	}
 	for _, tc := range tcs {
+		tc := tc
 		t.Run(tc.description, func(t *testing.T) {
 			cfg := setting.Cfg{}
 			plugin := plugins.DataSourcePlugin{}