chore(deps): update craig-day/compute-tag action to v20

Author: renovate[bot]

.github/workflows/auto-tag.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - id: compute_tag
-        uses: craig-day/compute-tag@30dd1c7ac3ef9a58278f133e2dcd105acb51a9b3 # v18
+        uses: craig-day/compute-tag@4f6e20dc9d852441c4e61a4b3ccadde9511f35f3 # v20
         with:
           github_token: ${{ github.token }}
           version_scheme: continuous