ci: refactor compat branch refresh to use patch-based approach

scripts/refresh-compat.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+git fetch origin main compat
+git checkout -B compat origin/compat
+patch_file="$(mktemp)"
+git diff origin/main -- . ':(exclude)**/go.mod' ':(exclude)**/go.sum' >"$patch_file"
+sed -i 's/sonic\./json\./g' "$patch_file"
+sed -i 's/"github.com\/bytedance\/sonic"/"encoding\/json"/g' "$patch_file"
+git checkout -B main origin/main
+git branch -D compat
+git checkout -b compat
+git apply "$patch_file"
+mapfile -t changed_go_files < <(git diff --name-only -- '*.go')
+fmt_go_files=()
+for file in "${changed_go_files[@]}"; do
+	[ -f "$file" ] || continue
+	sed -E -i 's/\bsonic[[:space:]]+"encoding\/json"/json "encoding\/json"/g' "$file"
+	fmt_go_files+=("$file")
+done
+if [ "${#fmt_go_files[@]}" -gt 0 ]; then
+	gofmt -w "${fmt_go_files[@]}"
+fi
+git add -A
+git commit -m "Apply compat patch"
+go vet ./...
+go vet -C agent ./...