ci: update github action versions in ci workflow

Update version of actions/setup-tarantool,
setup-python and actions/checkout to 2, 4 and 3
respectively to avoid workflow warnings.

Part of #363

Author: slavakirichenko

.github/workflows/test.yml

@@ -17,15 +17,15 @@ jobs:
         tarantool-version: [2.6, 2.7]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: update git submodules
       run: git submodule update --init --recursive
     - name: set up Tarantool ${{ matrix.tarantool-version }}
-      uses: tarantool/setup-tarantool@v1
+      uses: tarantool/setup-tarantool@v2
       with:
         tarantool-version: ${{ matrix.tarantool-version }}
     - name: set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: display python version

.gitignore

@@ -24,6 +24,7 @@ var/
 *.egg-info/
 .installed.cfg
 *.egg
+.idea/
 
 # PyInstaller
 #  Usually these files are written by a python script from a template