Case-sensitive file conflict in repository causes issues on case-insensitive filesystems

[czareko]

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Description of bug

The repository contains files with names differing only in letter casing (e.g., ErrorTester.ts and errorTester.ts). This causes issues when cloning or working with the repository on case-insensitive filesystems such as macOS (default APFS) and Windows.

It comes from this change: #6728

Steps to reproduce

1. Clone the repository on a case-insensitive filesystem (e.g., macOS or Windows).
2. Observe the following warning:

warning: the following paths have collided (e.g. case-sensitive paths on a case-insensitive filesystem) and only one from the same colliding group is in the working tree: 'substrate/frame/revive/rpc/examples/js/abi/ErrorTester.ts' 'substrate/frame/revive/rpc/examples/js/abi/errorTester.ts'

[bkchr]

CC @pgherveou

But @czareko feel free to open a pr that fixes this.

[pgherveou]

Sorry about that , let me just push a PR that rename them