Switch obsidian.nvim to the maintained fork

epwalsh/obsidian.nvim is unmaintained and was pinned to a July 2024 commit.
Use the community fork, drop the nvim-cmp dependency that LazyVim disables, and
point the picker at snacks instead of pulling in fzf-lua.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

lua/plugins/obsidian.lua

@@ -1,5 +1,5 @@
 return {
-  "epwalsh/obsidian.nvim",
+  "obsidian-nvim/obsidian.nvim",
   version = "*", -- recommended, use latest release instead of latest commit
   lazy = true,
   event = {
@@ -13,8 +13,6 @@ return {
   },
   dependencies = {
     "nvim-lua/plenary.nvim",
-    "hrsh7th/nvim-cmp",
-    "ibhagwan/fzf-lua",
   },
   opts = {
     workspaces = {
@@ -23,5 +21,8 @@ return {
         path = "~/notes",
       },
     },
+    picker = {
+      name = "snacks.pick",
+    },
   },
 }