CI: fix GitHub release step

(Code has not been downloaded in release job, so must identify repo to cli.)

Author: medmunds

.github/workflows/release.yml

@@ -106,7 +106,20 @@ jobs:
           NOTES: |
             [Changelog](https://anymail.dev/en/stable/changelog/#${{ needs.build.outputs.anchor }})
         run: |
-          if ! gh release edit "$TAG" --verify-tag --target "$GITHUB_SHA" --title "$TITLE" --notes "$NOTES"; then
-            gh release create "$TAG" --verify-tag --target "$GITHUB_SHA" --title "$TITLE" --notes "$NOTES"
+          if ! gh release edit "$TAG" \
+            --repo "$GITHUB_REPOSITORY" \
+            --verify-tag \
+            --target "$GITHUB_SHA" \
+            --title "$TITLE" \
+            --notes "$NOTES"\
+          then
+            gh release create "$TAG" \
+              --repo "$GITHUB_REPOSITORY" \
+              --verify-tag \
+              --target "$GITHUB_SHA" \
+              --title "$TITLE" \
+              --notes "$NOTES"
           fi
-          gh release upload "$TAG" ./dist/*
+          gh release upload "$TAG" \
+            --repo "$GITHUB_REPOSITORY" \
+            ./dist/*