…to v2.25.0 (#2136)

* chore(deps): update dependency com.google.cloud:google-cloud-storage to v2.25.0

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When writing a new Blob to GCS, there are secondary session related state and actions which can't be represented by WriteChannel.

BlobWriteSession provides a new construct to allow retrieving the resultant object which is created after the WritableByteChannel is closed.

Along with the new session, configuration for this is now performed at the StorageOptions level where cross session considerations can influence the implementation of the returned session. The configurable option present for this new StorageWriterConfig is chunkSize. In the future new configurations will be added with their corresponding options.

For example, in a future release it will be possible to change from in memory buffering to instead buffer to disk thereby reducing heap usage.

Now that shared-dependencies is tracking grpc 1.56.1 we no longer need to override it ourselves.

BlobWriteSessionConfig needs to implement Serializable because it plugs into StorageOptions which is Serializable.

Not sure, how the SerializationTest was passing when the PR was posted and now fails on main.

…ization (#2146)

Add new methods to UnbufferedWritableByteChannel to allow writing and closing in a single call
* writeAndClose(ByteBuffer)
* writeAndClose(ByteBuffer[])
* writeAndClose(ByteBuffer[], int, int)

Update grpc and json implementation to leverage new methods and to write and finalize in the same call.

DefaultBufferedWritableByteChannel will use the new methods as appropriate.

_Pre-work_

In some upcoming work we want to be able to keep a running window of throughput performance in order to provide improved throughput. This PR introduces a new utility class to model and compute throughput, and the concept of a ThroughputSink which values can be appended to.

There are scenarios in which disk space is more plentiful than memory space. This new BlobWriteSessionConfig allows augmenting an instance of storage to prefer buffering to disk rather than keeping things in memory.

Once the file on disk is closed, the entire file will then be uploaded to GCS.

…21.0 (#2144)

* chore(deps): update dependency com.google.cloud:libraries-bom to v26.21.0

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…p/templates/java_library/.kokoro (#1837) (#2143)

build(deps): bump certifi

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.5.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2023.05.07...2023.07.22)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...



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…son (#2150)

* build(deps): bump cryptography from 41.0.2 to 41.0.3 in /.kokoro

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.2 to 41.0.3.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.2...41.0.3)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: indirect
...

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…cies to v3.14.0 (#2151)

Java can dedupe objects in a cyclic traversal, retryingDepsAdapter doesn't need to be transient.

b/294399427

* chore(main): release 2.26.0

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