release-please failed: Invalid request - "sha" wasn't supplied

### TL;DR

[error]release-please failed: Invalid request.
"sha" wasn't supplied.
(Same behavior on v4)

### Expected behavior

No failure

### Observed behavior

Failure

### Action YAML

```yaml
on:
push:
branches:
- main

permissions:
contents: write
pull-requests: write

name: Release Please

jobs:
release-please:
runs-on: ubuntu-latest
steps:
- uses: google-github-actions/release-please-action@v3
with:
token: ${{ secrets.BUILDBOT_PAT }}
release-type: simple
# config-file: release-please-config.json
# manifest-file: .release-please-manifest.json
```

### Log output

```text
2024-03-15T10:38:12.1460651Z ❯ commit could not be parsed: 73455ce1000991085c58de4cd3f6f7b7df7f6a33 Use new Core drag feature instead of legacy version (#1050)
2024-03-15T10:38:12.1728025Z ❯ commit could not be parsed: 36060935d72c3e6e5fb5b42044f03d2281f7e9a7 jid-262-Assess-TypeScript-settings (#1007)
2024-03-15T10:38:12.1938927Z ❯ commit could not be parsed: e8ddf65f669ca6272229bc2a9db1dc149ee45b28 Merge pull request #987 from org/jid-949-update-dora-metrics-endpoint
2024-03-15T10:38:12.1941999Z ❯ commit could not be parsed: 34a20d05e3b182017e5147f98ac9c412e8ba2982 Dummy commit to trigger again dora_start action
2024-03-15T10:38:12.2472793Z ❯ commits: 1009
2024-03-15T10:38:12.2474038Z ⚠ No latest release pull request found.
2024-03-15T10:38:12.2477029Z ✔ Considering: 1009 commits
2024-03-15T10:38:12.2484848Z ❯ component:
2024-03-15T10:38:12.2486505Z ❯ pull request title pattern: undefined
2024-03-15T10:38:12.6653265Z ✔ Looking for open release pull requests
2024-03-15T10:38:12.8225055Z ✔ found 0 open release pull requests.
2024-03-15T10:38:12.8226551Z ✔ Looking for snoozed release pull requests
2024-03-15T10:38:13.0852016Z ✔ found 0 snoozed release pull requests.
2024-03-15T10:38:13.0856589Z ❯ Looking up SHA for branch: main
2024-03-15T10:38:13.1969551Z ❯ SHA for branch: f8db56d9bd9dec2c2188676775c67edb8fc0e783
2024-03-15T10:38:13.1971778Z ❯ Looking up SHA for branch: release-please--branches--main--release-notes
2024-03-15T10:38:13.3092712Z ❯ SHA for branch: dbcb18d4d9f44b43459b2e3548a57a5e46fd2094
2024-03-15T10:38:13.3095234Z ❯ Updating branch release-please--branches--main--release-notes to f8db56d9bd9dec2c2188676775c67edb8fc0e783
2024-03-15T10:38:13.5397785Z ❯ Updated branch: release-please--branches--main--release-notes to f8db56d9bd9dec2c2188676775c67edb8fc0e783
2024-03-15T10:38:13.5400576Z ❯ Updated release-please--branches--main--release-notes to match main at f8db56d9bd9dec2c2188676775c67edb8fc0e783
2024-03-15T10:38:13.7083316Z ##[error]release-please failed: Invalid request.

"sha" wasn't supplied.
2024-03-15T10:38:13.7434844Z Cleaning up orphan processes
```

### Additional information

_No response_

Start with the provided GitHub Actions YAML and the release-please-action v3 entry point. Reproduce the workflow and trace the request made immediately after the release-notes branch is updated, using the supplied log as the checkpoint. Done means the action completes without the “sha” request error.

Written by the indexing model from the issue text.