chore(deps): bump actions/cache from 5 to 6 - #89

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions-rs/cargo@v1, actions-rs/toolchain@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

`typesense` (test "client") generated 2 warnings

function `test_mixed_node_configs` is never used

function `test_per_node_http_builder` is never used

`typesense` (lib) generated 1 warning (run `cargo fix --lib -p typesense` to apply 1 suggestion)

unused variable: `retry_policy`

`typesense` (test "client") generated 2 warnings

function `test_mixed_node_configs` is never used

function `test_per_node_http_builder` is never used

`typesense` (lib test) generated 1 warning (1 duplicate)

unused variable: `retry_policy`

`typesense` (lib) generated 1 warning (run `cargo fix --lib -p typesense` to apply 1 suggestion)

unused variable: `retry_policy`

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/