[cherry-pick] Don't send request headers & body to jwks uri (#8125)

Author: github-actions[bot]

internal/configs/version2/__snapshots__/templates_test.snap

@@ -1115,6 +1115,8 @@ server {
         proxy_set_header Content-Length "";
         proxy_cache jwks_uri_cafe;
         proxy_cache_valid 200 12h;
+        proxy_pass_request_headers off;
+        proxy_pass_request_body off;
         proxy_set_header Host idp.spec.example.com;
         set $idp_backend idp.spec.example.com;
         proxy_pass https://$idp_backend:443/spec-keys;
@@ -1125,6 +1127,8 @@ server {
         proxy_set_header Content-Length "";
         proxy_cache jwks_uri_cafe;
         proxy_cache_valid 200 12h;
+        proxy_pass_request_headers off;
+        proxy_pass_request_body off;
         proxy_set_header Host idp.route.example.com;
         set $idp_backend idp.route.example.com;
         proxy_pass http://$idp_backend:80/route-keys;
@@ -1235,6 +1239,8 @@ server {
         proxy_set_header Content-Length "";
         proxy_cache jwks_uri_cafe;
         proxy_cache_valid 200 12h;
+        proxy_pass_request_headers off;
+        proxy_pass_request_body off;
         proxy_set_header Host idp.spec.example.com;
         set $idp_backend idp.spec.example.com;
         proxy_pass https://$idp_backend:443/spec-keys;
@@ -1245,6 +1251,8 @@ server {
         proxy_set_header Content-Length "";
         proxy_cache jwks_uri_cafe;
         proxy_cache_valid 200 12h;
+        proxy_pass_request_headers off;
+        proxy_pass_request_body off;
         proxy_set_header Host idp.route.example.com;
         set $idp_backend idp.route.example.com;
         proxy_pass http://$idp_backend:80/route-keys;

internal/configs/version2/nginx-plus.virtualserver.tmpl

@@ -237,6 +237,8 @@ server {
         proxy_cache_valid 200 12h;
         {{- end }}
         {{- with .JwksURI }}
+        proxy_pass_request_headers off;
+        proxy_pass_request_body off;
         proxy_set_header Host {{ .JwksHost }};
         set $idp_backend {{ .JwksHost }};
         proxy_pass {{ .JwksScheme}}://$idp_backend{{ if .JwksPort }}:{{ .JwksPort }}{{ end }}{{ .JwksPath }};