chore: fix C lint errors (issue #8877)

Author: GeoDaoyu

lib/node_modules/@stdlib/number/float64/base/set-low-word/README.md

@@ -174,7 +174,7 @@ void stdlib_base_float64_set_low_word( const uint32_t low, double *x );
 #include <stdio.h>
 
 int main( void ) {
-    uint32_t low[] = { 1374389535, 1374389545, 1374389555, 1374389565 };
+    const uint32_t low[] = { 1374389535, 1374389545, 1374389555, 1374389565 };
     double x = 3.14;
 
     int i;

lib/node_modules/@stdlib/number/float64/base/set-low-word/examples/c/example.c

@@ -21,7 +21,7 @@
 #include <stdio.h>
 
 int main( void ) {
-	uint32_t low[] = { 1374389535, 1374389545, 1374389555, 1374389565 };
+	const uint32_t low[] = { 1374389535, 1374389545, 1374389555, 1374389565 };
 	double x = 3.14;
 
 	int i;