🤖 I have created a release \*beep\* \*boop\*
---
### Updating meta-information for bleeding-edge SNAPSHOT release.
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

…jdbc to v2 (#409)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-03-25 01:52:12,889 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-spanner-jdbc/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-03-25 01:52:14,048 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/308f86e5-3e08-4174-95a6-ede4c9611bfd/targets

- [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.)

This is used by autosynth to generate files such as the README.

Updates the github configuration to mark the branch 1.21.x as stable.

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-03-28 23:45:07,520 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-spanner-jdbc/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-03-28 23:45:08,722 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/91579ce3-d49c-4399-bfda-3caaae494359/targets

- [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.)

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* chore(java): detect sample-secrets in build.sh

Fixes #904

Source-Author: Neenu Shaji <Neenu1995@users.noreply.github.com>
Source-Date: Wed Mar 24 15:50:02 2021 -0400
Source-Repo: googleapis/synthtool
Source-Sha: bb854b6c048619e3be4e8b8ce8ed10aa74ea78ef
Source-Link: googleapis/synthtool@bb854b6

* chore: remove staging bucket v2

not needed since we removed v2 solution - googleapis/synthtool#964

Source-Author: Emily Ball <emilyball@google.com>
Source-Date: Mon Mar 29 14:47:37 2021 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 572ef8f70edd9041f5bcfa71511aed6aecfc2098
Source-Link: googleapis/synthtool@572ef8f

…uration to v1.0.22 (#422)

…v6.2.0 (#420)

…cies to v0.21.0 (#423)

Source-Author: Jeff Ching <chingor@google.com>
Source-Date: Fri Apr 9 09:18:54 2021 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 5b0e1592dd7d70b485e157ea4b3eb1704ecbd015
Source-Link: googleapis/synthtool@5b0e159

…425)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>