Add regex-automata-0.4.8 benchmark

Author: Kobzol

collector/compile-benchmarks/regex-automata-0.4.8/.cargo_vcs_info.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "sha1": "58e16f50f07729bf856570d1a8be0de0b4d5e9e0"
+  },
+  "path_in_vcs": "regex-automata"
+}