fix: use updated telescope diagnostics api

Author: oflisback

lua/user/whichkey.lua

@@ -132,11 +132,11 @@ local mappings = {
     name = "LSP",
     a = { "<cmd>lua vim.lsp.buf.code_action()<cr>", "Code Action" },
     d = {
-      "<cmd>Telescope lsp_document_diagnostics<cr>",
+      "<cmd>Telescope diagnostics bufnr=0<cr>",
       "Document Diagnostics",
     },
     w = {
-      "<cmd>Telescope lsp_workspace_diagnostics<cr>",
+      "<cmd>Telescope diagnostics<cr>",
       "Workspace Diagnostics",
     },
     f = { "<cmd>lua vim.lsp.buf.format{async=true}<cr>", "Format" },