core: change bug report destination to picodata related one

NO_DOC=internal change
NO_TEST=internal change

changelogs/unreleased/bug-report-url.md

+## feature/core
+
+When crashing a message will now direct users to report bugs at support@picodata.io.
+This info can also be changed at build time by adding a preprocessor definition
+for `PICODATA_BUG_REPORT_INFO`, e.g. by adding this line to a `CMakeLists.txt`:
+```cmake
+add_definitions(-DPICODATA_BUG_REPORT_INFO="support@picodata.io")
+```

src/lib/core/crash.c

@@ -16,6 +16,10 @@
 #include "crash.h"
 #include "say.h"
 
+#ifndef PICODATA_BUG_REPORT_INFO
+#define PICODATA_BUG_REPORT_INFO "support@picodata.io"
+#endif
+
 /** Storage for crash_collect function return value. */
 static struct crash_info crash_info;
 
@@ -143,8 +147,7 @@ crash_report_stderr(struct crash_info *cinfo)
 #endif /* HAS_GREG */
 
 	fprintf(stderr, "Current time: %u\n", (unsigned)time(0));
-	fprintf(stderr, "Please file a bug at "
-		"https://github.com/tarantool/tarantool/issues\n");
+	fprintf(stderr, "Please file a bug at " PICODATA_BUG_REPORT_INFO "\n");
 
 #ifdef ENABLE_BACKTRACE
 	fprintf(stderr, "Attempting backtrace... Note: since the server has "