feat: add latest release of hgctl (#275)

Signed-off-by: bitliu <bitliu@tencent.com>

.github/workflows/latest-release.yaml

@@ -0,0 +1,62 @@
+name: Latest Release
+
+on:
+  push:
+    branches:
+    - "main"
+
+jobs:
+  latest-release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Build hgctl latest multiarch binaries
+      run: | 
+        GOPROXY="https://proxy.golang.org,direct" make build-hgctl-multiarch
+        tar -zcvf hgctl_latest_linux_amd64.tar.gz out/linux_amd64/
+        tar -zcvf hgctl_latest_linux_arm64.tar.gz out/linux_arm64/
+        tar -zcvf hgctl_latest_darwin_amd64.tar.gz out/darwin_amd64/
+        tar -zcvf hgctl_latest_darwin_arm64.tar.gz out/darwin_arm64/
+
+    # Ignore the error when we delete the latest release, it might not exist.
+
+    # GitHub APIs take sometime to make effect, we should make sure before Recreate the Latest Release and Tag,
+    # tag and release all get deleted. So we sleep sometime after deleting tag and release to wait for it taking effect.
+
+    - name: Delete the Latest Release
+      continue-on-error: true
+      run: |
+        gh release delete latest --repo $GITHUB_REPOSITORY
+        sleep 4
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_REPOSITORY: ${{ github.repository_owner }}/${{ github.event.repository.name }}
+
+    # Ignore the error when we delete the latest tag, it might not exist.
+    - name: Delete the Latest Tag
+      continue-on-error: true
+      run: |
+        gh api --method DELETE /repos/$GITHUB_REPOSITORY/git/refs/tags/latest
+        sleep 4
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_REPOSITORY: ${{ github.repository_owner }}/${{ github.event.repository.name }}
+
+    - name: Recreate the Latest Release and Tag
+      uses: softprops/action-gh-release@v1
+      with:
+        draft: false
+        prerelease: true
+        tag_name: latest
+        files: |
+          hgctl_latest_linux_amd64.tar.gz
+          hgctl_latest_linux_arm64.tar.gz
+          hgctl_latest_darwin_amd64.tar.gz
+          hgctl_latest_darwin_arm64.tar.gz
+        body: |
+          This is the "latest" release of **Higress**, which contains the most recent commits from the main branch.
+          
+          This release **might not be stable**.
+
+          It is only intended for developers wishing to try out the latest features in Higress, some of which may not be fully implemented.

Makefile.core.mk

@@ -75,6 +75,13 @@ build-hgctl: $(OUT)
 build-linux-hgctl: $(OUT)
 	GOPROXY=$(GOPROXY) GOOS=linux GOARCH=$(GOARCH_LOCAL) LDFLAGS=$(RELEASE_LDFLAGS) tools/hack/gobuild.sh $(OUT_LINUX)/ $(HGCTL_BINARIES)
 
+.PHONY: build-hgctl-multiarch
+build-hgctl-multiarch: $(OUT)
+	GOPROXY=$(GOPROXY) GOOS=linux GOARCH=amd64 LDFLAGS=$(RELEASE_LDFLAGS) tools/hack/gobuild.sh ./out/linux_amd64/ $(HGCTL_BINARIES)
+	GOPROXY=$(GOPROXY) GOOS=linux GOARCH=arm64 LDFLAGS=$(RELEASE_LDFLAGS) tools/hack/gobuild.sh ./out/linux_arm64/ $(HGCTL_BINARIES)
+	GOPROXY=$(GOPROXY) GOOS=darwin GOARCH=amd64 LDFLAGS=$(RELEASE_LDFLAGS) tools/hack/gobuild.sh ./out/darwin_amd64/ $(HGCTL_BINARIES)
+	GOPROXY=$(GOPROXY) GOOS=darwin GOARCH=arm64 LDFLAGS=$(RELEASE_LDFLAGS) tools/hack/gobuild.sh ./out/darwin_arm64/ $(HGCTL_BINARIES)
+
 # Create targets for OUT_LINUX/binary
 # There are two use cases here:
 # * Building all docker images (generally in CI). In this case we want to build everything at once, so they share work