ci(metrics): use Pushgateway PUT for quality payload replacement

scripts/publish_quality_metrics.py

@@ -46,7 +46,7 @@ def _post_text(url: str, payload: str, timeout_seconds: float, attempts: int, re
         req = urllib.request.Request(
             url,
             data=payload.encode("utf-8"),
-            method="POST",
+            method="PUT",
             headers={"Content-Type": "text/plain"},
         )
         try:

scripts/publish_quality_metrics_test.py

@@ -32,7 +32,7 @@ class _GatewayHandler(http.server.BaseHTTPRequestHandler):
         self.end_headers()
         self.wfile.write(body)
 
-    def do_POST(self) -> None:  # noqa: N802
+    def do_PUT(self) -> None:  # noqa: N802
         size = int(self.headers.get("Content-Length", "0"))
         body = self.rfile.read(size).decode("utf-8")
         self.posts.append((self.path, body))