build(deps): bump radiorabe/actions/.github/workflows/release-mkdocs.yaml from 0.38.1 to 0.38.3 (#877)

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Author: dependabot[bot]

.github/workflows/release.yaml

@@ -16,4 +16,4 @@ jobs:
       tags: 'minimal rhel9 rabe backstage'
       cosign-base-image-only: true
   mkdocs:
-    uses: radiorabe/actions/.github/workflows/release-mkdocs.yaml@v0.38.1
+    uses: radiorabe/actions/.github/workflows/release-mkdocs.yaml@v0.38.3