chore [skip ci]: update workflow and release workflow a bit

.github/workflows/pull-request.yml

@@ -0,0 +1,32 @@
+name: pull requests - docker image build
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [linux/amd64,linux/arm64]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.23'
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          # either 'goreleaser' (default) or 'goreleaser-pro'
+          distribution: goreleaser
+          # 'latest', 'nightly', or a semver
+          version: "~> v2"
+          args: release --snapshot --clean
+      - name: Upload assets
+        uses: actions/upload-artifact@v4
+        with:
+          name: phoebe
+          path: dist/*

.github/workflows/release-docker.yml

@@ -9,9 +9,6 @@ jobs:
     strategy:
       matrix:
         platform: [linux/amd64,linux/arm64]
-    env:
-      IS_LINUX: ${{ startsWith(matrix.platform, 'linux/') && 'true' || 'false' }}
-      GIT_TAG: ${{ needs.git-version.outputs.git_tag }}
     steps:
       -
         name: Set up QEMU