Bump reviewdog/action-shellcheck from 1 to 1.5

Bumps [reviewdog/action-shellcheck](https://github.com/reviewdog/action-shellcheck) from 1 to 1.5.
- [Release notes](https://github.com/reviewdog/action-shellcheck/releases)
- [Commits](reviewdog/action-shellcheck@v1...v1.5)

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

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: shellcheck
-        uses: reviewdog/action-shellcheck@v1
+        uses: reviewdog/action-shellcheck@v1.5
       - name: Run bandit
         uses: ./
       - name: Run bandit with a single target