[ALL] - feat: add tools to ensure commits are signed and renovate pr-commt-config

[flavienSindou]

Proposed changes

• Manually renovate pre-commit-config linters version
• Add pre-commit-config to renovate bot
• Add pre-push hook to check if commits are signed
• Alter PR Template to remind contributor to sign their commits

Related issues

• [ALL] - Renovate pre-commit-config #3565
• [ALL] - Add checks to ensure commits are signed wit gpg key #3566

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality using different use cases
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

How to test

# Setup
python -m pip install pre-commit
pre-commit install --hook-type pre-commit --hook-type pre-push

git checkout -b "test_branch"

touch test.py
echo "import os" > test.py

git add test.py

git commit -m "signed commit with flake8 error" -S

echo 'import os

_ = os.environ' > test.py

git add test.py

git commit -m "unsigned commit" --no-gpg-sign

git push -u origin test_branch

# clean up
git checkout master
git branch -D test_branch 
rm test.py

[flavienSindou]

git log --pretty=%h master.. # list commit hash diff with master

git verify-commit # echo gpg:... if signed with gpg else exit 1