fix(plugin): rename weak => optional. Makes more sense :)

Author: folke

lua/lazy/core/plugin.lua

@@ -142,13 +142,13 @@ end
 
 function Spec:fix_disabled()
   ---@param plugin LazyPlugin
-  local function all_weak(plugin)
-    return (not plugin) or (rawget(plugin, "weak") and all_weak(plugin._.super))
+  local function all_optional(plugin)
+    return (not plugin) or (rawget(plugin, "optional") and all_optional(plugin._.super))
   end
 
-  -- handle weak plugins
+  -- handle optional plugins
   for _, plugin in pairs(self.plugins) do
-    if plugin.weak and all_weak(plugin) then
+    if plugin.optional and all_optional(plugin) then
       self.plugins[plugin.name] = nil
     end
   end

lua/lazy/types.lua

@@ -47,7 +47,7 @@
 ---@field dir string
 ---@field enabled? boolean|(fun():boolean)
 ---@field cond? boolean|(fun():boolean)
----@field weak? boolean If set, then this plugin will not be added unless it is added somewhere else
+---@field optional? boolean If set, then this plugin will not be added unless it is added somewhere else
 ---@field lazy? boolean
 ---@field priority? number Only useful for lazy=false plugins to force loading certain plugins first. Default priority is 50
 ---@field dev? boolean If set, then link to the respective folder under your ~/projects