Update gha linter to use github/super-linter/slim@v4

Author: mfussenegger

.github/workflows/linter.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Lint Code Base
-        uses: github/super-linter@v3
+        uses: github/super-linter/slim@v4
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           VALIDATE_JSCPD: false

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Prepare plenary
         run: |
           git clone --depth 1 https://github.com/nvim-lua/plenary.nvim ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim
-          ln -s $(pwd) ~/.local/share/nvim/site/pack/vendor/start
+          ln -s "$(pwd)" ~/.local/share/nvim/site/pack/vendor/start
 
       - name: Run tests
         run: |

README.md

@@ -5,9 +5,9 @@ This repository is a template for Neovim plugins written in Lua.
 The intention is that you use this template to create a new repository where you then adapt this readme and add your plugin code.
 The template includes the following:
 
-- Github workflows to run linters and tests
+- GitHub workflows to run linters and tests
 - Minimal test setup
-- editorconfig
+- EditorConfig
 - A .luacheckrc