feat(constants): add float32 ln-ten constant

Author: vivekmaurya001

lib/node_modules/@stdlib/constants/float32/ln-ten/test/test.js

@@ -35,7 +35,7 @@ tape( 'main export is a number', function test( t ) {
 	t.end();
 });
 
-tape( 'export is a double-precision floating-point number equal to ` 2.3025851249694824`', function test( t ) {
+tape( 'export is a single-precision floating-point number equal to ` 2.3025851249694824`', function test( t ) {
 	t.equal( FLOAT32_LN10, lnf( 10.0 ), 'equals  2.3025851249694824' );
 	t.end();
 });