fix: goreleaser conf v0 to v2

- Ref: https://goreleaser.com/blog/goreleaser-v2/

.github/workflows/release.yml

@@ -51,7 +51,7 @@ jobs:
         uses: goreleaser/goreleaser-action@v6
         with:
           distribution: goreleaser
-          version: v2
+          version: "~> v2"
           args: release --config .goreleaser.yml --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -1,12 +1,13 @@
 # =============================================================================
-#  GoReleaser configuration file for Kagome
+#  GoReleaser v2 configuration file for Kagome
 # =============================================================================
 #  For local testing run:
 #    goreleaser --skip-publish --clean --snapshot
 #
 #  Note:
 #  To build multiarch Docker image, you may be required to install Docker buildx
 #  plugin and QEMU.
+version: 2
 env:
   - GO111MODULE=on
 
@@ -60,7 +61,7 @@ brews:
       email: [email protected]
     description: "Self-contained Japanese Morphological Analyzer written in pure Go."
     homepage: "https://github.com/ikawaha/kagome"
-    folder: Formula
+    directory: Formula
     install: |
       bin.install "kagome"
     test: |