feat(PR): add conditions to label pr (#2532)

* chore: update conventional-labeler action to version 2.0.0

* chore: add 'bug' label to fix category in release.yml

* chore(conventional-labels.yml): add 'Validate PR' job to validate pull requests before labeling them
chore(conventional-labels.yml): add 'Label PR' job to label pull requests after validation is successful

* chore(conventional-labels.yml): update conditional statement in Label PR job to exclude Bot users from linting and only run if PR validation is successful

* chore(conventional-labels.yml): update type_labels mapping to align with conventional commit keywords for better labeling in GitHub actions.

* fix(conventional-labels.yml): run workflow only on editing the PR

* chore(conventional-labels.yml): do not require an issue reference