version: add gsasl_version to curl_version_info_data

- Add gsasl_version string and bump to CURLVERSION_TENTH.

Ref: https://curl.se/mail/lib-2021-04/0003.html

Closes https://github.com/curl/curl/pull/6843

docs/libcurl/curl_version_info.3

@@ -97,6 +97,12 @@ typedef struct {
   unsigned int zstd_ver_num; /* Numeric Zstd version
                                   (MAJOR << 24) | (MINOR << 12) | PATCH */
   const char *zstd_version; /* human readable string. */
+  /* when 'age' is CURLVERSION_NINTH or higher (>= 7.75.0), the members
+     below exist */
+  const char *hyper_version; /* human readable string. */
+  /* when 'age' is CURLVERSION_TENTH or higher (>= 7.77.0), the members
+     below exist */
+  const char *gsasl_version; /* human readable string. */
 } curl_version_info_data;
 .fi
 

docs/libcurl/symbols-in-versions

@@ -881,6 +881,7 @@ CURLVERSION_NOW                 7.10
 CURLVERSION_SECOND              7.11.1
 CURLVERSION_SEVENTH             7.70.0
 CURLVERSION_SIXTH               7.66.0
+CURLVERSION_TENTH               7.77.0
 CURLVERSION_THIRD               7.12.0
 CURL_CHUNK_BGN_FUNC_FAIL        7.21.0
 CURL_CHUNK_BGN_FUNC_OK          7.21.0