Uppercase "Ecl" language to "ECL"

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>

lib/linguist/languages.yml

@@ -408,7 +408,7 @@ Ecere Projects:
   lexer: JSON
   primary_extension: .epj
 
-Ecl:
+ECL:
   type: programming
   color: "#8a1267"
   primary_extension: .ecl

lib/linguist/samples.json

@@ -77,7 +77,7 @@
     "DM": [
       ".dm"
     ],
-    "Ecl": [
+    "ECL": [
       ".ecl"
     ],
     "edn": [
@@ -13359,7 +13359,7 @@
       "#undef": 1,
       "Undefine": 1
     },
-    "Ecl": {
+    "ECL": {
       "#option": 1,
       "(": 32,
       "true": 1,
@@ -42479,7 +42479,7 @@
     "Dart": 68,
     "Diff": 16,
     "DM": 169,
-    "Ecl": 281,
+    "ECL": 281,
     "edn": 227,
     "Elm": 628,
     "Emacs Lisp": 1756,
@@ -42602,7 +42602,7 @@
     "Dart": 1,
     "Diff": 1,
     "DM": 1,
-    "Ecl": 1,
+    "ECL": 1,
     "edn": 1,
     "Elm": 3,
     "Emacs Lisp": 2,