Update language-data from upstream (#447)

Add:
* Haryanvi (bgc)
* Tausug (tsg)

Updating to
52c9e29714

src/jquery.uls.data.js

@@ -537,6 +537,13 @@
             ],
             "български"
         ],
+        "bgc": [
+            "Deva",
+            [
+                "AS"
+            ],
+            "हरियाणवी"
+        ],
         "bgn": [
             "Arab",
             [
@@ -4364,6 +4371,13 @@
             ],
             "Τσακωνικά"
         ],
+        "tsg": [
+            "Latn",
+            [
+                "AS"
+            ],
+            "Sinūg"
+        ],
         "tt": [
             "Cyrl",
             [
@@ -5664,6 +5678,7 @@
             "bho",
             "awa",
             "as",
+            "bgc",
             "mag",
             "mai",
             "hne",
@@ -6125,6 +6140,7 @@
             "war",
             "pam",
             "pag",
+            "tsg",
             "zh-hant",
             "zh",
             "cps",