Update dependency com_github_grpc_grpc to v1.25.0

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
com_github_grpc_grpc	http_archive	minor	v1.24.3 -> v1.25.0

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Release Notes

grpc/grpc

v1.25.0

Compare Source

This is the 1.25.0 release (game) of gRPC Core.

Please see the notes for the previous releases here: https://github.com/grpc/grpc/releases. Please consult https://grpc.io/ for all information regarding this product.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

• Change RR to consider a subchannel in TF if it has failed since it was READY. (#​20245)
• Fix a use after free in c-ares on Windows. (#​20274)

C++

• Honor CARES_ROOT_DIR. (#​20630)
• Make cmake grpc.pc depend on openssl too. (#​20621)
• Create pkg-config files from CMake. (#​20211)
• Add C++ wrapper for SPIFFE credentials v2. (#​19778)
• Upgrade bazel to 0.29.1. (#​20222)

C#

• Provide length when getting serialization buffer writer. (#​20691)
• Fix error when changing Protobuf item values in Visual Studio. (#​20569)
• Add generic variance to reader and writer interfaces. (#​20549)

Objective-C

• Added convenience class GRPCUnaryResponseHandler for unary calls. (#​20560)
• Fixed an issue where Swift application depending on gRPC is unable to archive. (#​20527)

PHP

• PHP: fix zend_hash_str_del() segfault. (#​20249)

Python

• Add experimental option to run unary-stream RPCs on a single Python thread. (#​20753)
• [AIO] Minimal AsyncIO Server. (#​20598)
• Switch to concrete classes in experimental asyncio. (#​20326)
• Add manylinux2010_x86 wheels into artifacts. (#​20673)
• Release 3.8 binary wheels. (#​20616)
• Make grpc_testing's Servicer context abort method stop execution of the servicer handler. (#​20426)
• Build Python wheels with tag manylinux2010. (#​20282)
• Add experimental support for asyncio unary client. (#​19960)

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/ok-to-test

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