Fix typo in string resources

Author: pang fung

src/Microsoft.Data.SqlClient/netcore/src/Resources/Strings.Designer.cs

@@ -241,7 +241,7 @@
     <value>Use of key '{0}' requires the key '{1}' to be present.</value>
   </data>
   <data name="ADP_InvalidConnectionOptionValueLength" xml:space="preserve">
-    <value>The value's length for key '{0}' exceeds it's limit of '{1}'.</value>
+    <value>The value's length for key '{0}' exceeds its limit of '{1}'.</value>
   </data>
   <data name="ADP_KeywordNotSupported" xml:space="preserve">
     <value>Keyword not supported: '{0}'.</value>

src/Microsoft.Data.SqlClient/netcore/src/Resources/Strings.resx

@@ -1771,7 +1771,7 @@
     <value>Specified QuotePrefix and QuoteSuffix values do not match.</value>
   </data>
   <data name="ADP_InvalidArgumentLength" xml:space="preserve">
-    <value>The length of argument '{0}' exceeds it's limit of '{1}'.</value>
+    <value>The length of argument '{0}' exceeds its limit of '{1}'.</value>
   </data>
   <data name="SQL_WrongType" xml:space="preserve">
     <value>Expecting argument of type {1}, but received type {0}.</value>
@@ -1783,7 +1783,7 @@
     <value>Use of key '{0}' requires the key '{1}' to be present.</value>
   </data>
   <data name="ADP_InvalidConnectionOptionValueLength" xml:space="preserve">
-    <value>The value's length for key '{0}' exceeds it's limit of '{1}'.</value>
+    <value>The value's length for key '{0}' exceeds its limit of '{1}'.</value>
   </data>
   <data name="ADP_KeywordNotSupported" xml:space="preserve">
     <value>Keyword not supported: '{0}'.</value>

src/Microsoft.Data.SqlClient/netfx/src/Resources/Strings.Designer.cs

@@ -208,7 +208,7 @@ public void ChangePassword_NewPassword_ExceedMaxLength()
         {
             ArgumentException ex = Assert.Throws<ArgumentException>(() => SqlConnection.ChangePassword("server=SQLSRV", new string('d', 129)));
             // The length of argument 'newPassword' exceeds
-            // it's limit of '128'
+            // its limit of '128'
             Assert.Null(ex.InnerException);
             Assert.NotNull(ex.Message);
             Assert.True(ex.Message.IndexOf("'newPassword'") != -1);