ci: bump jdx/mise-action from 2.3.1 to 2.4.0

Bumps [jdx/mise-action](https://github.com/jdx/mise-action) from 2.3.1 to 2.4.0.
- [Release notes](https://github.com/jdx/mise-action/releases)
- [Changelog](https://github.com/jdx/mise-action/blob/main/CHANGELOG.md)
- [Commits](jdx/mise-action@v2.3.1...v2.4.0)

---
updated-dependencies:
- dependency-name: jdx/mise-action
  dependency-version: 2.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/integration-tests.yml

@@ -83,7 +83,7 @@ jobs:
         run: docker compose ps
 
       - name: Install mise to install Hurl
-        uses: jdx/mise-action@v2.3.1 # https://github.com/jdx/mise-action
+        uses: jdx/mise-action@v2.4.0 # https://github.com/jdx/mise-action
         with:
           version: 2025.6.8        # [default: latest] mise version to install
           install: true            # [default: true] run `mise install`