feat: git merge branch action (#1220)

lua/telescope/builtin/git.lua

@@ -297,6 +297,9 @@ git.branches = function(opts)
 
       map("i", "<c-d>", actions.git_delete_branch)
       map("n", "<c-d>", actions.git_delete_branch)
+
+      map("i", "<c-y>", actions.git_merge_branch)
+      map("n", "<c-y>", actions.git_merge_branch)
       return true
     end,
   }):find()

lua/telescope/builtin/init.lua

@@ -186,6 +186,7 @@ builtin.git_bcommits = require_on_exported_call("telescope.builtin.git").bcommit
 ---   - `<C-r>`: rebases currently selected branch
 ---   - `<C-a>`: creates a new branch, with confirmation prompt before creation
 ---   - `<C-d>`: deletes the currently selected branch, with confirmation prompt before deletion
+---   - `<C-y>`: merges the currently selected branch, with confirmation prompt before deletion
 ---@param opts table: options to pass to the picker
 builtin.git_branches = require_on_exported_call("telescope.builtin.git").branches