fix: replace cp -af with cp -Rf in zig install task (agntcy#1607)

# Description

go-task's built-in coreutils on Windows does not support the `-a` flag

## Type of Change

- [x] Bugfix
- [ ] New Feature
- [ ] Breaking Change
- [ ] Refactor
- [ ] Documentation
- [ ] Other (please describe)

## Checklist

- [x] I have read the [contributing
guidelines](/agntcy/repo-template/blob/main/CONTRIBUTING.md)
- [x] Existing issues have been referenced (where applicable)
- [x] I have verified this change is not present in other open pull
requests
- [x] Functionality is documented
- [x] All code style checks pass
- [x] New code contribution is covered by automated tests
- [x] All new and existing tests pass

Signed-off-by: Mauro Sardara <msardara@cisco.com>

Author: msardara

tasks/tools.yaml

@@ -290,7 +290,7 @@ tasks:
         fi
 
         # Install
-        cp -af zig-{{.DETECTED_ARCH}}-{{.DETECTED_OS}}-{{.ZIG_VERSION}}/* "{{.TOOLS_INSTALL_DIR}}"
+        cp -Rf zig-{{.DETECTED_ARCH}}-{{.DETECTED_OS}}-{{.ZIG_VERSION}}/* "{{.TOOLS_INSTALL_DIR}}"
         rm -rf zig-{{.DETECTED_ARCH}}-{{.DETECTED_OS}}-{{.ZIG_VERSION}}
         rm -f "$FILENAME" "$SIGFILE" mirrors.txt
         echo "Zig installed to {{.TOOLS_INSTALL_DIR}}"