Merge pull request #341 from OpenPrinting/dependabot/github_actions/redhat-plumbers-in-action/differential-shellcheck-5.0.2

Bump redhat-plumbers-in-action/differential-shellcheck from 5.0.1 to 5.0.2

Author: zdohnal

.github/workflows/differential-shellcheck.yml

@@ -21,6 +21,6 @@ jobs:
           fetch-depth: 0
 
       - name: Differential ShellCheck
-        uses: redhat-plumbers-in-action/differential-shellcheck@aa647ec4466543e8555c2c3b648124a9813cee44
+        uses: redhat-plumbers-in-action/differential-shellcheck@91e2582e40236f831458392d905578d680baa138
         with:
           token: ${{ secrets.GITHUB_TOKEN }}