Rename dco-compliance.md to commit-signing.md and update references

Co-authored-by: simongdavies <1397489+simongdavies@users.noreply.github.com>

Author: Copilot

CONTRIBUTING.md

@@ -97,7 +97,7 @@ GPG signatures verify the identity of the committer. To set up GPG signing:
    git commit -S -s -m 'This is my signed and signed-off commit message'
    ```
 
-For detailed instructions on setting up both signature types, see [docs/dco-compliance.md](./docs/dco-compliance.md).
+For detailed instructions on setting up both signature types, see [docs/commit-signing.md](./docs/commit-signing.md).
 
 Each Pull Request is checked to ensure all commits contain valid DCO sign-offs and GPG signatures.
 
@@ -121,7 +121,7 @@ git commit --amend --no-edit -S -s
 git rebase --continue
 ```
 
-For more detailed instructions on fixing commits, see [docs/dco-compliance.md](./docs/dco-compliance.md).
+For more detailed instructions on fixing commits, see [docs/commit-signing.md](./docs/commit-signing.md).
 
 ### Rust Analyzer
 

README.md

@@ -284,4 +284,4 @@ All commits to this repository require:
 1. **GPG Verified Signatures**: Each commit must be cryptographically signed using GPG to verify the committer's identity.
 2. **DCO Sign-offs**: Each commit must include a Developer Certificate of Origin sign-off line.
 
-For details on configuring both requirements, see [docs/dco-compliance.md](./docs/dco-compliance.md) and the [CONTRIBUTING.md](./CONTRIBUTING.md#developer-certificate-of-origin-signing-your-work) file.
+For details on configuring both requirements, see [docs/commit-signing.md](./docs/commit-signing.md) and the [CONTRIBUTING.md](./CONTRIBUTING.md#developer-certificate-of-origin-signing-your-work) file.