chore(deps): bump git-raw-commits to 0.0.8

Upgrade to latest version of git-raw-commits to fix it from running on
windows.

Fixes #1
Closes #2

package.json

@@ -20,7 +20,7 @@
     "concat-stream": "^1.4.10",
     "conventional-commits-parser": "0.0.18",
     "git-latest-semver-tag": "0.0.0",
-    "git-raw-commits": "0.0.7",
+    "git-raw-commits": "0.0.8",
     "is-subset": "^0.1.1",
     "meow": "^3.3.0",
     "modify-values": "^1.0.0",