Update ghcommit to fix missing ref bug

Author: s0

package.json

@@ -41,7 +41,7 @@
     "@changesets/read": "^0.5.3",
     "@manypkg/get-packages": "^1.1.3",
     "@octokit/plugin-throttling": "^5.2.1",
-    "@s0/ghcommit": "^1.2.0",
+    "@s0/ghcommit": "^1.2.1",
     "fs-extra": "^8.1.0",
     "mdast-util-to-string": "^1.0.6",
     "remark-parse": "^7.0.1",

yarn.lock

@@ -1618,10 +1618,10 @@
   dependencies:
     "@octokit/openapi-types" "^17.2.0"
 
-"@s0/ghcommit@^1.2.0":
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/@s0/ghcommit/-/ghcommit-1.2.0.tgz#27b7e474653f98fb8126e249db929180b025082c"
-  integrity sha512-v3HlIX/OYWG32mT97JLPJQ2iCFI7hWtC2OONFoEAeiySAnbLhiToC1xlbT7fdlUcXTT2FktEJosfNbEbS9LniQ==
+"@s0/ghcommit@^1.2.1":
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/@s0/ghcommit/-/ghcommit-1.2.1.tgz#b906c164c453de5deb776f265f0f591f6f299bce"
+  integrity sha512-bsW81c87V5P6Prn4lqxCoMlO4dot1RpcnyT1er4gE8ytFxY1cEMZUkTd4HGk+8wTS4hpYB4f/42WIYXP4gHPXg==
   dependencies:
     isomorphic-git "^1.27.1"