Adds github workflow for release

.github/workflows/release.yaml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  docker-image:
+    name: Publish Docker Image
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Get tag version
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Print version
+        run: |
+          echo $RELEASE_VERSION
+          echo ${{ env.RELEASE_VERSION }}
+
+      - name: Extract metadata (tags, labels) for Docker images
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: flashbots/op-geth
+          tags: |
+            type=sha
+            type=pep440,pattern={{version}}
+            type=pep440,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable=${{ !contains(env.RELEASE_VERSION, '-') }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ FLASHBOTS_DOCKERHUB_USERNAME }}
+          password: ${{ FLASHBOTS_DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          build-args: |
+            VERSION=${{ env.RELEASE_VERSION }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-all:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Fetch all tags
+        run: git fetch --force --tags
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ^1.22
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v3
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --skip-publish --config .goreleaser-build.yaml --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Upload
+        uses: actions/upload-artifact@v4
+        with:
+          name: op-geth-build
+          path: |
+            dist/op-geth*.tar.gz
+            dist/op-geth*.txt
+
+  release:
+    needs: build-all
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Fetch all tags
+        run: git fetch --force --tags
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ^1.22
+      - name: Make directories
+        run: |
+          mkdir -p ./build
+      - name: Download binaries
+        uses: actions/download-artifact@v3
+        with:
+          name: op-geth-build
+          path: ./build
+      - name: Merge checksum file
+        run: |
+          cd ./build
+          cat ./op-geth*checksums.txt >> checksums.txt
+          rm ./op-geth*checksums.txt
+      - name: Release
+        uses: goreleaser/goreleaser-action@v3
+        with:
+          args: release --config .goreleaser-release.yaml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser-build.yaml

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+# https://goreleaser.com/customization/builds/
+project_name: op-geth
+builds:
+  - id: op-geth
+    env:
+      # Force build to be all Go.
+      - CGO_ENABLED=0
+    flags:
+      # Remove all file system paths from the executable.
+      - -trimpath
+    ldflags:
+      # Disables DWARF debugging information.
+      - -w
+      # Disables symbol table information.
+      - -s
+      # Sets the value of the symbol.
+      - -X github.com/flashbots/op-geth/config.Version={{.Version}}
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm64

.goreleaser-release.yaml

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+# https://goreleaser.com/customization/release/
+builds:
+  - skip: true
+release:
+  draft: true
+  extra_files:
+    - glob: ./build/*
+  header: |
+    # 🚀 Features
+    # 🎄 Enhancements
+    # 🐞 Notable bug fixes
+    # 🎠 Community