github/workflows: Add comments where tool versions need to be in sync.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>

.github/workflows/codespell.yml

@@ -7,6 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    # codespell version should be kept in sync with .pre-commit-config.yml
     - run: pip install --user codespell==2.2.6 tomli
     - run: codespell
 

.github/workflows/ruff.yml

@@ -6,6 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    # ruff version should be kept in sync with .pre-commit-config.yaml
     - run: pip install --user ruff==0.1.3
     - run: ruff check --output-format=github .
     - run: ruff format --diff .

.pre-commit-config.yaml

@@ -12,11 +12,13 @@ repos:
         verbose: true
         stages: [commit-msg]
   - repo: https://github.com/charliermarsh/ruff-pre-commit
+    # Version should be kept in sync with .github/workflows/ruff.yml
     rev: v0.1.3
     hooks:
       - id: ruff
       - id: ruff-format
   - repo: https://github.com/codespell-project/codespell
+    # Version should be kept in sync with .github/workflows/codespell.yml
     rev: v2.2.6
     hooks:
       - id: codespell