Bump oxsecurity/megalinter from 8.7.0 to 8.8.0 (#499)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Vít Kučera <vit.kucera@cern.ch>

Author: dependabot[bot]

.github/workflows/mega-linter.yml

@@ -43,7 +43,7 @@ jobs:
         id: ml
         # You can override MegaLinter flavor used to have faster performances
         # More info at https://megalinter.io/flavors/
-        uses: oxsecurity/megalinter@v8.7.0
+        uses: oxsecurity/megalinter@v8.8.0
         env:
           # All available variables are described in documentation
           # https://megalinter.io/configuration/