COR-3430 - replace Bulgaria currency to EUR (#287)

* [COR-3430] - replace Bulgaria currency to EUR

Author: konstantin-petrukhnov-ge

src/main/scala/io/flow/reference/data/Countries.scala

@@ -347,7 +347,7 @@ object Countries {
   val Bgr: Country = Country(
     iso31662 = "BG",
     iso31663 = "BGR",
-    defaultCurrency = Some("BGN"),
+    defaultCurrency = Some("EUR"),
     defaultLanguage = Some("bg"),
     measurementSystem = "metric",
     name = "Bulgaria",

src/main/scala/io/flow/reference/data/Regions.scala

@@ -604,7 +604,7 @@ object Regions {
     name = "Bulgaria",
     countries = Seq("BGR"),
     languages = Seq("bg"),
-    currencies = Seq("BGN"),
+    currencies = Seq("EUR"),
     measurementSystems = Seq("metric"),
     timezones = Nil,
   )
@@ -1217,6 +1217,7 @@ object Regions {
     countries = Seq(
       "AUT",
       "BEL",
+      "BGR",
       "CYP",
       "EST",
       "FIN",
@@ -1238,6 +1239,7 @@ object Regions {
     ),
     languages = Seq(
       "cs",
+      "bg",
       "de",
       "el",
       "en",

src/test/scala/io/flow/reference/CurrenciesSpec.scala

@@ -41,7 +41,6 @@ class CurrenciesSpec extends AnyFunSpec with Matchers {
       "ARS",
       "AUD",
       "BAM",
-      "BGN",
       "BRL",
       "BSD",
       "CAD",