Updated Docker Compose File Permissions

[NutsaB]

Proposed changes

• Set the config file permissions in docker-compose_otel-collector.yaml to read-only for additional security.
• Set service permissions to read_only: true.
• Added tmpfs mount to allow read-write access to /tmp directory.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• I have run make install-tools and have attached any dependency changes to this pull request
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• If applicable, I have updated any relevant documentation (README.md)
• If applicable, I have tested my cross-platform changes on Ubuntu 22, Redhat 8, SUSE 15 and FreeBSD 13