Bump workspace version to 1.2.6 and update docs

Update workspace package version from 1.2.5 to 1.2.6 in Cargo.toml and synchronize package versions in Cargo.lock (biliup, biliup-cli, danmaku, stream-gears). Also add a README bullet noting streaming-upload without local save (边录边传 0 落盘).

Cargo.lock

@@ -429,7 +429,7 @@ checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
 [[package]]
 name = "biliup"
-version = "1.2.5"
+version = "1.2.6"
 dependencies = [
  "async-trait",
  "base64",
@@ -468,7 +468,7 @@ dependencies = [
 
 [[package]]
 name = "biliup-cli"
-version = "1.2.5"
+version = "1.2.6"
 dependencies = [
  "async-channel",
  "async-trait",
@@ -1105,7 +1105,7 @@ dependencies = [
 
 [[package]]
 name = "danmaku"
-version = "1.2.5"
+version = "1.2.6"
 dependencies = [
  "async-trait",
  "base64",
@@ -4434,7 +4434,7 @@ checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
 
 [[package]]
 name = "stream-gears"
-version = "1.2.5"
+version = "1.2.6"
 dependencies = [
  "async-channel",
  "async-trait",

Cargo.toml

@@ -8,7 +8,7 @@ members = [
 resolver = "3"
 
 [workspace.package]
-version = "1.2.5"
+version = "1.2.6"
 
 [workspace.dependencies]
 serde = { version = "1.0", features = ["derive"] }

README.md

@@ -22,6 +22,7 @@
 * 多主播录制/上传，24X7 无人值守运行，高自定义元信息
 * 录制同时抓取弹幕，输出 XML 弹幕文件
 * 作为自动化流程中的命令行工具封装使用
+* 边录边传 0 落盘
 
 论坛：[BBS](https://bbs.biliup.rs)