Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action).


Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

Updates `lycheeverse/lychee-action` from 2.4.1 to 2.6.1
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v2.4.1...v2.6.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: lycheeverse/lychee-action
  dependency-version: 2.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/create-meeting-issue.yml

@@ -10,7 +10,7 @@ jobs:
   create-team-issue:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: JasonEtco/create-an-issue@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/linkcheck.yml

@@ -11,7 +11,7 @@ jobs:
   check-links:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: '3.13'
@@ -25,7 +25,7 @@ jobs:
       # ref: https://github.com/lycheeverse/lychee-action
       # ref: https://github.com/lycheeverse/lychee#commandline-parameters
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v2.4.1
+        uses: lycheeverse/lychee-action@v2.6.1
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
         with: