ci: remove unnecessary steps & cleanup (#118)

* refactor(ci): refactor GitHub Actions for better readablility

* upd

* remove ""

action.yml

@@ -1,31 +1,34 @@
 name: Setup Bun
 description: Download, install, and setup Bun to your path.
 author: robobun
+
 branding:
   icon: play-circle
   color: white
+
 inputs:
   bun-version:
-    description: 'The version of Bun to install. (e.g. "latest", "canary", "1.0.0", "1.0.x", <sha>)'
+    description: The version of Bun to install. (e.g. "latest", "canary", "1.0.0", "1.0.x", <sha>)
     required: false
   bun-version-file:
-    description: 'The version of Bun to install from file. (e.g. "package.json", ".bun-version", ".tool-versions")'
+    description: The version of Bun to install from file. (e.g. "package.json", ".bun-version", ".tool-versions")
     default: null
     required: false
   bun-download-url:
-    description: "Override the URL to download Bun from. This skips version resolution and verifying AVX2 support."
+    description: Override the URL to download Bun from. This skips version resolution and verifying AVX2 support.
     required: false
   registry-url:
     required: false
-    description: "The URL of the package registry to use for installing Bun. Set the $BUN_AUTH_TOKEN environment variable to authenticate with the registry."
+    description: The URL of the package registry to use for installing Bun. Set the $BUN_AUTH_TOKEN environment variable to authenticate with the registry.
   scope:
     required: false
-    description: "The scope for authenticating with the package registry."
+    description: The scope for authenticating with the package registry.
   no-cache:
     required: false
     type: boolean
     default: false
-    description: "Disable caching of bun executable."
+    description: Disable caching of bun executable.
+
 outputs:
   bun-version:
     description: The version of Bun that was installed.