Add Noto Serif Hentaigana font for Japanese Language

In the Japanese locale, add the following fonts to the Universal Language Selector's Web Fonts feature.

Font Name: Noto Serif Hentaigana
Version: v1.000
Download Site URL: https://github.com/notofonts/hentaigana

Bug: T347520
Change-Id: I70d9bab18c138ea786df1aaf2394450f1f7044ea

data/fontrepo/fonts/NotoSerifHentaigana/font.ini

@@ -0,0 +1,15 @@
+[Noto Serif Hentaigana]
+languages=ja
+version=1.000
+license=OFL-1.1
+licensefile=OFL.txt
+url=https://github.com/notofonts/hentaigana
+request-url=https://phabricator.wikimedia.org/T347520
+woff=NotoSerifHentaigana-Regular.woff
+woff2=NotoSerifHentaigana-Regular.woff2
+bold=Noto Serif Hentaigana Bold
+
+[Noto Serif Hentaigana Bold]
+woff=NotoSerifHentaigana-Bold.woff
+woff2=NotoSerifHentaigana-Bold.woff2
+fontweight=bold

resources/js/ext.uls.webfonts.repository.js

@@ -226,6 +226,10 @@
 			"system",
 			"OskiEast"
 		],
+		"ja": [
+			"system",
+			"Noto Serif Hentaigana"
+		],
 		"jv": [
 			"system",
 			"Tuladha Jejeg"
@@ -728,6 +732,18 @@
 				"bold": "Nokora Bold"
 			}
 		},
+		"Noto Serif Hentaigana": {
+			"woff": "NotoSerifHentaigana/NotoSerifHentaigana-Regular.woff?339f3",
+			"woff2": "NotoSerifHentaigana/NotoSerifHentaigana-Regular.woff2?79828",
+			"variants": {
+				"bold": "Noto Serif Hentaigana Bold"
+			}
+		},
+		"Noto Serif Hentaigana Bold": {
+			"fontweight": "bold",
+			"woff": "NotoSerifHentaigana/NotoSerifHentaigana-Bold.woff?58245",
+			"woff2": "NotoSerifHentaigana/NotoSerifHentaigana-Bold.woff2?f9e64"
+		},
 		"NotoSansSundanese Regular": {
 			"woff": "NotoSansSundanese/NotoSansSundanese-Regular.woff?a8907",
 			"woff2": "NotoSansSundanese/NotoSansSundanese-Regular.woff2?97973"