Add workflow_dispatch job to delete stale Actions artifacts

Co-authored-by: cynarAI <cynarAI@users.noreply.github.com>

.github/workflows/cleanup-actions-artifacts.yml

@@ -0,0 +1,78 @@
+name: cleanup-actions-artifacts
+
+# Manual reclaim of Actions artifact storage for this repository.
+on:
+  workflow_dispatch:
+    inputs:
+      dry_run:
+        description: List artifacts only; do not delete
+        type: boolean
+        default: false
+
+permissions:
+  actions: write
+  contents: read
+
+jobs:
+  cleanup:
+    name: Delete stale Actions artifacts
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Remove old artifacts
+        env:
+          GH_TOKEN: ${{ github.token }}
+          DRY_RUN: ${{ inputs.dry_run }}
+          REPOSITORY: ${{ github.repository }}
+        run: |
+          python3 <<'PY'
+          import json, os, subprocess, sys
+
+          repo = os.environ["REPOSITORY"]
+          dry_run = os.environ.get("DRY_RUN", "false").lower() == "true"
+
+          def gh(*args):
+              return subprocess.check_output(["gh", "api", *args], text=True)
+
+          def should_delete(name: str) -> bool:
+              if name.startswith("playwright-artifacts-"):
+                  return True
+              if name.startswith("digest-"):
+                  return True
+              if name == "desktop-e2e-screenshots":
+                  return True
+              if name.endswith(".dockerbuild"):
+                  return True
+              return False
+
+          artifacts = []
+          page = 1
+          while True:
+              data = json.loads(
+                  gh(f"repos/{repo}/actions/artifacts?per_page=100&page={page}")
+              )
+              artifacts.extend(data.get("artifacts", []))
+              if len(data.get("artifacts", [])) < 100:
+                  break
+              page += 1
+
+          deleted = 0
+          freed = 0
+          for art in artifacts:
+              name = art["name"]
+              if not should_delete(name):
+                  print(f"skip id={art['id']} name={name} size={art['size_in_bytes']}")
+                  continue
+              if dry_run:
+                  print(f"would delete id={art['id']} name={name} size={art['size_in_bytes']}")
+                  continue
+              subprocess.check_call(
+                  ["gh", "api", "--method", "DELETE", f"repos/{repo}/actions/artifacts/{art['id']}"]
+              )
+              print(f"deleted id={art['id']} name={name} size={art['size_in_bytes']}")
+              deleted += 1
+              freed += art["size_in_bytes"]
+
+          print(f"deleted_count={deleted}")
+          print(f"freed_bytes={freed}")
+          PY