style: update insiders icon templates

icons/insider/codium.svg

@@ -3,8 +3,8 @@
 <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0" width="100" height="100" viewBox="0, 0, 100, 100">
   <defs>
     <linearGradient id="Gradient_1" gradientUnits="userSpaceOnUse" x1="199.997" y1="214.302" x2="296.665" y2="307.573" gradientTransform="matrix(1, 0, 0, 1, -200, -213)">
-      <stop offset="0" stop-color="#57E389"/>
-      <stop offset="1" stop-color="#26A269"/>
+      <stop offset="0" stop-color="#FFA348"/>
+      <stop offset="1" stop-color="#C64600"/>
     </linearGradient>
   </defs>
   <g id="Layer_1">

icons/insider/codium_border.svg

@@ -3,8 +3,8 @@
 <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0" width="100" height="100" viewBox="0, 0, 100, 100">
   <defs>
     <linearGradient id="Gradient_1" gradientUnits="userSpaceOnUse" x1="209.998" y1="224.042" x2="287.332" y2="298.658" gradientTransform="matrix(1, 0, 0, 1, -200, -213)">
-      <stop offset="0" stop-color="#57E389"/>
-      <stop offset="1" stop-color="#26A269"/>
+      <stop offset="0" stop-color="#FFA348"/>
+      <stop offset="1" stop-color="#C64600"/>
     </linearGradient>
   </defs>
   <g id="Layer_1">

src/insider/src/vs/workbench/browser/media/code-icon.svg

@@ -3,8 +3,8 @@
 <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0" width="1024" height="1024" viewBox="0, 0, 1024, 1024">
   <defs>
     <linearGradient id="Gradient_1" gradientUnits="userSpaceOnUse" x1="361.979" y1="384.114" x2="1038.655" y2="1037.011" gradientTransform="matrix(1, 0, 0, 1, -200, -213)">
-      <stop offset="0" stop-color="#57E389"/>
-      <stop offset="1" stop-color="#26A269"/>
+      <stop offset="0" stop-color="#FFA348"/>
+      <stop offset="1" stop-color="#C64600"/>
     </linearGradient>
   </defs>
   <g id="codium_blue_light">