Bump molecule version

Add ansible collection specific requirements since they are no more
installed by default. Also, installing molecule-podman cause error
(https://github.com/ansible-community/molecule/issues/3895)

.gitignore

@@ -1 +1,2 @@
 .venv
+.vendor

Makefile

@@ -1,4 +1,5 @@
 VENV_DIR := .venv
+VENDOR_DIR := .vendor
 SHELL := /usr/bin/env bash
 .DEFAULT_GOAL := help
 
@@ -10,9 +11,9 @@ venv: ## Create python3 venv if it does not exists
 	[[ -d $(VENV_DIR) ]] || $(shell command -v python3) -m venv $(VENV_DIR)
 
 install: ## Install all necessary tools
-	$(MAKE) \
-		venv \
-		install-pip-packages
+	$(MAKE) venv
+	$(MAKE) install-pip-packages
+	$(MAKE) install-galaxy
 	@echo -e "\n--> You should now activate the python3 venv with:"
 	@echo -e "source $(VENV_DIR)/bin/activate"
 
@@ -20,9 +21,14 @@ install-pip-packages: ## Install python3 requirements
 	$(info --> Install requirements via `pip3`)
 	@( \
 			source $(VENV_DIR)/bin/activate; \
+			pip3 install -U pip; \
 			pip3 install -r requirements.txt; \
 	)
 
+install-galaxy: ## Install galaxy requirements
+	$(info --> Install galaxy requirements)
+	ansible-galaxy collection install -r requirements.yml --force -p $(VENDOR_DIR)/collections
+
 upgrade-pip-packages: ## Upgrade python3 requirements
 	$(shell command -v pip3) install -U -r requirements.txt
 
@@ -40,3 +46,4 @@ pre-commit-run-all: ## Run pre-commit on the whole repository
 
 clean: ## Clean venv
 	[[ ! -d $(VENV_DIR) ]] || rm -rf $(VENV_DIR)
+	[[ ! -d $(VENDOR_DIR) ]] || rm -rf $(VENDOR_DIR)

requirements.txt

@@ -1,3 +1,3 @@
-ansible
-molecule==4.0.*
-molecule-podman
+ansible-core
+molecule
+molecule-plugins

requirements.yml

@@ -0,0 +1,4 @@
+---
+collections:
+  - name: community.mysql
+  - name: containers.podman