keep bootstrap same with istio-ingress-gateway (#986)

istio/1.12/patches/istio/20240521-optimize-bootstrap.patch

@@ -0,0 +1,83 @@
+diff -Naur istio/tools/packaging/common/envoy_bootstrap.json istio-new/tools/packaging/common/envoy_bootstrap.json
+--- istio/tools/packaging/common/envoy_bootstrap.json	2024-05-21 23:46:21.000000000 +0800
++++ istio-new/tools/packaging/common/envoy_bootstrap.json	2024-05-21 23:47:54.000000000 +0800
+@@ -37,55 +37,15 @@
+     "use_all_default_tags": false,
+     "stats_tags": [
+       {
+-        "tag_name": "phase",
+-        "regex": "(_phase=([a-z_]+))"
+-      },
+-      {
+-        "tag_name": "ruleid",
+-        "regex": "(_ruleid=([0-9]+))"
+-      },
+-      {
+-        "tag_name": "route",
+-        "regex": "^vhost\\..*?\\.route\\.([^\\.]+\\.)upstream"
+-      },
+-      {
+-        "tag_name": "ecds_name",
+-        "regex": "extension_config_discovery\\.(.*?\\.)[^\\.]+$"
+-      },
+-      {
+-        "tag_name": "rds_name",
+-        "regex": "rds\\.(.*?\\.)[^\\.]+$"
+-      },
+-      {
+-        "tag_name": "sds_name",
+-        "regex": "sds\\.(.*?\\.)[^\\.]+$"
+-      },
+-      {
+-        "tag_name": "vhost",
+-        "regex": "^vhost\\.((.*?)\\.)(vcluster|route)"
+-      },
+-      {
+-        "tag_name": "vcluster",
+-        "regex": "vcluster\\.((.*?)\\.)upstream"
+-      },
+-      {
+-        "tag_name": "dest_zone",
+-        "regex": "zone\\.[^\\.]+\\.([^\\.]+\\.)"
+-      },
+-      {
+-        "tag_name": "from_zone",
+-        "regex": "zone\\.([^\\.]+\\.)"
+-      },
+-      {
+         "tag_name": "cluster_name",
+-        "regex": "^cluster\\.((.*?)\\.)(http1\\.|http2\\.|health_check\\.|zone\\.|external\\.|circuit_breakers\\.|[^\\.]+$)"
++        "regex": "^cluster\\.((.+?(\\..+?\\.svc\\.cluster\\.local)?)\\.)"
+       },
+       {
+         "tag_name": "tcp_prefix",
+         "regex": "^tcp\\.((.*?)\\.)\\w+?$"
+       },
+       {
+-        "regex": "(response_code=\\.=(.+?);\\.;)|_rq(_(\\.d{3}))$",
++        "regex": "_rq(_(\\d{3}))$",
+         "tag_name": "response_code"
+       },
+       {
+@@ -98,7 +58,7 @@
+       },
+       {
+         "tag_name": "http_conn_manager_prefix",
+-        "regex": "^http\\.(((outbound_([0-9]{1,3}\\.{0,1}){4}_\\d{0,5})|([^\\.]+))\\.)"
++        "regex": "^http\\.(((?:[_.[:digit:]]*|[_\\[\\]aAbBcCdDeEfF[:digit:]]*))\\.)"
+       },
+       {
+         "tag_name": "listener_address",
+@@ -108,12 +68,6 @@
+         "tag_name": "mongo_prefix",
+         "regex": "^mongo\\.(.+?)\\.(collection|cmd|cx_|op_|delays_|decoding_)(.*?)$"
+       },
+-      {{- range $a, $tag := .extraStatTags }}
+-      {
+-        "regex": "({{ $tag }}=\\.=(.*?);\\.;)",
+-        "tag_name": "{{ $tag }}"
+-      },
+-      {{- end }}
+       {
+         "regex": "(cache\\.(.+?)\\.)",
+         "tag_name": "cache"