Replace Yarn with NPM

package-lock.json

@@ -0,0 +1,35 @@
+{
+  "name": "git-auto-commit-action",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "devDependencies": {
+        "bats": "^1.11.1",
+        "bats-assert": "ztombol/bats-assert",
+        "bats-support": "ztombol/bats-support"
+      }
+    },
+    "node_modules/bats": {
+      "version": "1.11.1",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "bats": "bin/bats"
+      }
+    },
+    "node_modules/bats-assert": {
+      "version": "0.3.0",
+      "resolved": "git+ssh://git@github.com/ztombol/bats-assert.git#9f88b4207da750093baabc4e3f41bf68f0dd3630",
+      "dev": true,
+      "peerDependencies": {
+        "bats-support": "git+https://github.com/ztombol/bats-support.git#v0.2.0"
+      }
+    },
+    "node_modules/bats-support": {
+      "version": "0.3.0",
+      "resolved": "git+ssh://git@github.com/ztombol/bats-support.git#004e707638eedd62e0481e8cdc9223ad471f12ee",
+      "dev": true
+    }
+  }
+}

yarn.lock

@@ -1,16 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-bats-assert@ztombol/bats-assert:
-  version "0.3.0"
-  resolved "https://codeload.github.com/ztombol/bats-assert/tar.gz/9f88b4207da750093baabc4e3f41bf68f0dd3630"
-
-bats-support@ztombol/bats-support:
-  version "0.3.0"
-  resolved "https://codeload.github.com/ztombol/bats-support/tar.gz/004e707638eedd62e0481e8cdc9223ad471f12ee"
-
-bats@^1.11.1:
-  version "1.11.1"
-  resolved "https://registry.yarnpkg.com/bats/-/bats-1.11.1.tgz#e87fa1161d5110ec3a685e2e233f2f2bfb26ebfd"
-  integrity sha512-Dh26FsiLog+wwQeTkboYo2xYj9rUaPEbibUobnYb3G3M9hva/Kby00wrAN9VB9qqGVhl/pYjjt/LVBWwjXlD2A==