Add SpanAttributeConvertible conformances for Int32 (#181)

Author: FranzBusch

Sources/Tracing/SpanProtocol.swift

@@ -441,6 +441,12 @@ extension Array where Element == Int {
     }
 }
 
+extension Array where Element == Int32 {
+    public func toSpanAttribute() -> SpanAttribute {
+        .int32Array(self)
+    }
+}
+
 extension Array where Element == Int64 {
     public func toSpanAttribute() -> SpanAttribute {
         .int64Array(self)
@@ -515,6 +521,12 @@ extension Int: SpanAttributeConvertible {
     }
 }
 
+extension Int32: SpanAttributeConvertible {
+    public func toSpanAttribute() -> SpanAttribute {
+        .int32(self)
+    }
+}
+
 extension Int64: SpanAttributeConvertible {
     public func toSpanAttribute() -> SpanAttribute {
         .int64(self)