chore(release): fix semantic-release config

Author: felixfbecker

package.json

@@ -45,6 +45,7 @@
     "xmldom": "^0.1.22"
   },
   "devDependencies": {
+    "@semantic-release/git": "^2.2.0",
     "@semantic-release/github": "^2.0.0",
     "@types/chai": "4.0.6",
     "@types/chai-as-promised": "^7.1.0",
@@ -75,7 +76,7 @@
       "semantic-release-vsce",
       "@semantic-release/github"
     ],
-    "getLastRelease": "semantic-release-vsce",
+    "getLastRelease": "@semantic-release/git",
     "publish": [
       {
         "path": "semantic-release-vsce",