deps: update dependency com.google.cloud:google-cloud-bigtable-bom to v2.70.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.cloud:google-cloud-bigtable-bom	2.68.0 -> 2.70.0

---

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

Release Notes

googleapis/java-bigtable (com.google.cloud:google-cloud-bigtable-bom)

v2.70.0

Compare Source

Features

• Add PeerInfo proto in Bigtable API (0736694)

Bug Fixes

• deps: Update the Java code generator (gapic-generator-java) to 2.64.1 (0736694)

Dependencies

• Update shared dependencies (#​2704) (97a8a0e)

Documentation

• Update javadoc sample for BigtableTableAdminClient.listTables (#​2308) (56237d7)

v2.69.0

Compare Source

Features

• bigtable: Add internal grpc subconnections metric and add outstanding rpcs to INTERNAL_VIEW (#​2700) (e3e6e99)
• bigtable: Expose a metric to track the number of outstanding rpcs (unary , streaming) in channel pool (#​2696) (140a1ad)
• bigtable: Populate alts field in channel entry (#​2702) (1bfb763)
• Enable ALTS hard bound token in Bigtable w/ direct access (#​2695) (d12b37d)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.