Add dedicated tasks for installing Poetry-managed dependencies

Poetry is used for managing the project's Python dependencies. This means that several development processes require
first running a dependency installation command. Rather than having that command duplicated across the taskfile, it can
be put in a dedicated task. This also allows it to be run from the task's `deps` key, which allows it to run in parallel
to any other setup processes the task might have.

Author: per1234

Taskfile.yml

@@ -165,16 +165,32 @@ tasks:
           '
         fi
 
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/poetry-task/Taskfile.yml
+  poetry:install-deps:
+    desc: Install dependencies managed by Poetry
+    cmds:
+      - poetry install --no-root
+
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/poetry-task/Taskfile.yml
+  poetry:update-deps:
+    desc: Update all dependencies managed by Poetry to their newest versions
+    cmds:
+      - poetry update
+
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
   python:lint:
     desc: Lint Python code
+    deps:
+      - task: poetry:install-deps
     cmds:
-      - poetry install --no-root
       - poetry run flake8 --show-source
 
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
   python:format:
-    desc: Automatically formats Python files
+    desc: Format Python files
+    deps:
+      - task: poetry:install-deps
     cmds:
-      - poetry install --no-root
       - poetry run black .
 
   docs:generate: