Update JS dependencies, min Node.js version 10.13 (go-gitea#11246)

`less-loader` now dictates a minimum Node.js version of 10.13.0,
released 2018-10-30 so I've updated this requirement to match.

https://github.com/webpack-contrib/less-loader/releases/tag/v6.0.0

Makefile

@@ -28,7 +28,7 @@ COMMA := ,
 
 XGO_VERSION := go-1.14.x
 MIN_GO_VERSION := 001012000
-MIN_NODE_VERSION := 010000000
+MIN_NODE_VERSION := 010013000
 
 ifeq ($(HAS_GO), GO)
  GOPATH ?= $(shell $(GO) env GOPATH)

README.md

@@ -40,7 +40,7 @@ or if sqlite support is required:
 The `build` target is split into two sub-targets:
 
 - `make backend` which requires [Go 1.12](https://golang.org/dl/) or greater.
-- `make frontend` which requires [Node.js 10](https://nodejs.org/en/download/) or greater.
+- `make frontend` which requires [Node.js 10.13](https://nodejs.org/en/download/) or greater.
 
 If pre-built frontend files are present it is possible to only build the backend:
 

docs/config.yaml

@@ -21,7 +21,7 @@ params:
  version: 1.11.4
  minGoVersion: 1.12
  goVersion: 1.14
- minNodeVersion: 10
+ minNodeVersion: 10.13
 
 outputs:
  home: