update actions in validate.yml

.github/workflows/validate.yml

@@ -2,15 +2,18 @@ name: Validation
 
 on:
  pull_request:
-
+ branches:
+ - main
 
 jobs:
  pre_commit:
  name: Check formatting
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v3
- - uses: actions/setup-python@v3
+ - uses: actions/setup-python@v5.0.0
+ with:
+ python-version: "3.8"
  - uses: pre-commit/action@v3.0.0
 
  docs_link_check:
@@ -20,9 +23,9 @@ jobs:
  contents: read
  steps:
  - name: checkout
- uses: actions/checkout@v2
+ uses: actions/checkout@v4
  - name: Check links
- uses: lycheeverse/lychee-action@v1.4.1
+ uses: lycheeverse/lychee-action@v1.9.1
  env:
  GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
  with: