new icon: splunk (original-wordmark) (#1433)

* Add icon: splunk (original-wordmark)

* Replaced color with suggestion

* Change color to #000

Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>

* Change to official color

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

* Update icons/splunk/splunk-original-wordmark.svg

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

* Remove extra line

---------

Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>
Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

Author: 3 people

devicon.json

@@ -8253,6 +8253,31 @@
             }
         ]
     },
+    {
+        "name": "splunk",
+        "altnames": [],
+        "tags": [
+            "platform",
+            "data",
+            "log",
+            "monitoring"
+        ],
+        "versions": {
+            "svg": [
+                "original-wordmark"
+            ],
+            "font": [
+                "original-wordmark"
+            ]
+        },
+        "color": "#0C1724",
+        "aliases": [
+            {
+                "base": "original-wordmark",
+                "alias": "plain-wordmark"
+            }
+        ]
+    },
     {
         "name": "spring",
         "altnames": [