deps: update histogram 0.11.8

PR-URL: nodejs#47742
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: marco-ippolito

deps/histogram/include/hdr/hdr_histogram_version.h

@@ -1,11 +1,12 @@
 /**
- * @file hdr_histogram_version.h
- * @brief Definitions for HdrHistogram's version number.
+ * hdr_histogram_version.h
+ * Written by Marco Ippolito, Michael Barker and released to the public domain,
+ * as explained at http://creativecommons.org/publicdomain/zero/1.0/
  */
 
 #ifndef HDR_HISTOGRAM_VERSION_H
 #define HDR_HISTOGRAM_VERSION_H
 
-#define HDR_HISTOGRAM_VERSION "0.11.7"
+#define HDR_HISTOGRAM_VERSION "0.11.8"
 
-#endif  // HDR_HISTOGRAM_VERSION_H
+#endif  // HDR_HISTOGRAM_VERSION_H