feat(icons): add balena-etcher (#1187)

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

tree.json

@@ -156,6 +156,7 @@
         "bacula.png",
         "badge.png",
         "baikal.png",
+        "balena-etcher.png",
         "bar-assistant.png",
         "barcodebuddy.png",
         "baserow.png",
@@ -2338,6 +2339,7 @@
         "backblaze.svg",
         "backrest-light.svg",
         "backrest.svg",
+        "balena-etcher.svg",
         "bar-assistant.svg",
         "baserow.svg",
         "bazarr-dark.svg",
@@ -4144,6 +4146,7 @@
         "bacula.webp",
         "badge.webp",
         "baikal.webp",
+        "balena-etcher.webp",
         "bar-assistant.webp",
         "barcodebuddy.webp",
         "baserow.webp",