added junit5 logo (#5644)

_data/simple-icons.json

@@ -4580,6 +4580,11 @@
             "source": "https://www.juniper.net/us/en/company/press-center/images/image-library/logos/",
             "guidelines": "https://www.juniper.net/us/en/company/press-center/images/image-library/logos/"
         },
+        {
+            "title": "JUnit5",
+            "hex": "25A162",
+            "source": "https://raw.githubusercontent.com/junit-team/junit5/86465f4f491219ad0c0cf9c64eddca7b0edeb86f/assets/img/junit5-logo.svg"
+        },
         {
             "title": "Jupyter",
             "hex": "F37626",

icons/junit5.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>JUnit5 icon</title><path d="M11.886 9.769c1.647 0 2.95.436 3.912 1.307.961.872 1.442 2.06 1.442 3.566 0 1.744-.548 3.107-1.643 4.09-1.088.977-2.638 1.465-4.65 1.465-1.826 0-3.26-.294-4.303-.883v-2.38a7.89 7.89 0 002.079.793c.782.186 1.509.28 2.18.28 1.184 0 2.086-.265 2.704-.794.619-.53.928-1.304.928-2.325 0-1.952-1.245-2.929-3.733-2.929-.35 0-.783.038-1.297.112-.514.067-.965.145-1.352.235l-1.174-.693.626-7.98H16.1v2.335H9.919l-.37 4.046c.262-.044.578-.096.95-.156.38-.06.843-.09 1.387-.09zM12 0C5.373 0 0 5.373 0 12a11.998 11.998 0 006.65 10.738v-3.675h.138c.01.004 4.86 2.466 8.021 0 3.163-2.468 1.62-5.785 1.08-6.557-.54-.771-3.317-2.083-5.708-1.851-2.391.231-2.391.308-2.391.308l.617-7.096 7.687-.074V.744A12 12 0 0011.999 0zm4.095.744V3.793l-7.688.074-.617 7.096s0-.077 2.391-.308c2.392-.232 5.169 1.08 5.708 1.851.54.772 2.083 4.089-1.08 6.557-3.16 2.467-8.013.004-8.02 0h-.14v3.675A12 12 0 0012 24c6.628 0 12-5.373 12-12A12.007 12.007 0 0016.35.83c-.085-.03-.17-.059-.255-.086zM6.299 22.556z"/></svg>