Migrate workflow to delete old Cloudsmith artifacts to GitHub Actions

.github/scripts/delete-old-cloudsmith-artifacts.sh

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+#!/bin/bash
+# Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+dnf install -y 'dnf-command(config-manager)' jq
+
+set -euo pipefail
+MAX_NUMBER_OF_RELEASES=40
+
+# Cloudsmith repo
+rpm --import 'https://dl.cloudsmith.io/public/vespa/open-source-rpms/gpg.0F3DA3C70D35DA7B.key'
+curl -1sLf 'https://dl.cloudsmith.io/public/vespa/open-source-rpms/config.rpm.txt?distro=el&codename=8' > /tmp/vespa-open-source-rpms.repo
+dnf config-manager --add-repo '/tmp/vespa-open-source-rpms.repo'
+rm -f /tmp/vespa-open-source-rpms.repo
+
+# Allow the last Vespa 7 release to remain in the repo
+VERSIONS_TO_DELETE=$(dnf list -y --quiet --showduplicates --disablerepo='*' --enablerepo=vespa-open-source-rpms vespa | awk '/[0-9].*\.[0-9].*\.[0-9].*/{print $2}' | sort -V | grep -v "7.594.36" | head -n -$MAX_NUMBER_OF_RELEASES)
+
+if [[ -z "$VERSIONS_TO_DELETE" ]]; then
+  echo "No old RPM versions to delete found. Exiting."
+  exit 0
+fi
+
+RPMS_TO_DELETE=$(mktemp)
+trap "rm -f $RPMS_TO_DELETE" EXIT
+
+for VERSION in $VERSIONS_TO_DELETE; do
+  curl -sLf --header 'accept: application/json' \
+    "https://api.cloudsmith.io/v1/packages/vespa/open-source-rpms/?query=version:${VERSION}" | jq -re '.[] | .slug' >> $RPMS_TO_DELETE
+done
+
+echo "Deleting the following RPMs:"
+cat $RPMS_TO_DELETE
+
+if [ "$GITHUB_EVENT_NAME" == "schedule" ]; then
+    for RPMID in $(cat $RPMS_TO_DELETE); do
+      curl -sLf -X DELETE \
+        --header "X-Api-Key: $CLOUDSMITH_API_TOKEN" \
+        --header 'accept: application/json' \
+        "https://api.cloudsmith.io/v1/packages/vespa/open-source-rpms/$RPMID/"
+    done
+fi
+
+

.github/workflows/delete-old-versions-in-archive.yml

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+name: Delete old Cloudsmith artifacts
+
+on:
+  workflow_dispatch:
+
+  pull_request:
+    paths:
+      - .github/workflows/delete-old-versions-in-archive.yml
+      - .github/scripts/delete-old-cloudsmith-artifacts.sh
+    branches:
+      - master
+
+  schedule:
+   - cron: '0 6 * * *'
+
+jobs:
+  delete-old-cloudsmith-artifacts:
+    runs-on: ubuntu-latest
+
+    container:
+        image: fedora:latest
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          CLOUDSMITH_API_TOKEN: ${{ secrets.CLOUDSMITH_API_TOKEN }}
+        volumes:
+          - ${{ github.workspace }}:/workspace
+
+    defaults:
+      run:
+        working-directory: /workspace
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Delete old artifacts
+        run: |
+          .github/scripts/delete-old-cloudsmith-artifacts.sh