Key-value Concourse resource v1.5.3

Improvements

• Bumped Golang dependencies
• Built code with Golang 1.24.1
• Built resource image on top of Alpine 3.21.3

Usage

resource_types:
  - name: key-value
    type: registry-image
    source:
      repository: gstack/keyval-resource
      tag:        "1.5.3"