Bump github.com/bufbuild/buf from 1.69.0 to 1.70.0 in /tools

[dependabot]

Bumps github.com/bufbuild/buf from 1.69.0 to 1.70.0.

Release notes

Sourced from github.com/bufbuild/buf's releases.

v1.70.0

• Add LSP completion for buf.gen.yaml, buf.yaml, and buf.policy.yaml files.
• Fix LSP textDocument/documentSymbol marking every symbol as deprecated.
• Add error for when a dependency is added to buf.yaml and is missing from buf.lock.
• Update the PROTOVALIDATE lint rule support checking NaN in const, in, not_in, gt, gte, lt and lte rules for float and double fields.
• Update the PROTOVALIDATE lint rule support to check (buf.validate.message).oneof rules and make sure they are well-formed and valid.

Changelog

Sourced from github.com/bufbuild/buf's changelog.

[v1.70.0] - 2026-05-25

• Add LSP completion for buf.gen.yaml, buf.yaml, and buf.policy.yaml files.
• Fix LSP textDocument/documentSymbol marking every symbol as deprecated.
• Add error for when a dependency is added to buf.yaml and is missing from buf.lock.
• Update the PROTOVALIDATE lint rule support checking NaN in const, in, not_in, gt, gte, lt and lte rules for float and double fields.
• Update the PROTOVALIDATE lint rule support to check (buf.validate.message).oneof rules and make sure they are well-formed and valid.

Commits

• 4f657db Release v1.70.0 (#4556)
• f278fa0 Bump buf.build/gen/go/bufbuild/registry/connectrpc/go from 1.19.2-20260507063...
• 977b89b Make upgrade (#4555)
• 88dfb34 Lint MessageRules.oneof in PROTOVALIDATE check (#4540)
• e96239e Filter out GIT_WORK_TREE from cloner environment variables (#4549)
• d0e7d39 Add env override test cases to git package (#4550)
• 3747817 Bump actions/create-github-app-token from 3.1.1 to 3.2.0 (#4544)
• 9eddb9c Make upgrade (#4548)
• d460060 Update README.md (#4547)
• 2dae477 Fix LSP documentSymbol marking every symbol as deprecated (#4531)
• Additional commits viewable in compare view