feat(icons): add signoz (#1331)

Co-authored-by: Dashboard Icons Manager <193821040+dashboard-icons-manager[bot]@users.noreply.github.com>

tree.json

@@ -1778,6 +1778,7 @@
         "sickchill.png",
         "sickgear.png",
         "signal.png",
+        "signoz.png",
         "sigstore.png",
         "silverbullet.png",
         "simplelogin.png",
@@ -3708,6 +3709,7 @@
         "shopify.svg",
         "sickbeard.svg",
         "signal.svg",
+        "signoz.svg",
         "sigstore.svg",
         "simplelogin.svg",
         "simplex-chat.svg",
@@ -5841,6 +5843,7 @@
         "sickchill.webp",
         "sickgear.webp",
         "signal.webp",
+        "signoz.webp",
         "sigstore.webp",
         "silverbullet.webp",
         "simplelogin.webp",