Checks to see if credentialset uses ~/ as user's home directory

[troy0820]

What does this change

Checks credentialset to see if the filepath list user's home directory with ~/

What issue does it fix

Closes #1131

Notes for the reviewer

Before:

porter credentials list porter-hello -oyaml
- schemaType: CredentialSet
  schemaVersion: 1.0.1
  namespace: ""
  name: porter-hello
  credentials:
    - name: kubeconfig
      source:
        path: ~/.kube/config
    - name: username
      source:
        env: FAKE_USER
  status:
    created: 2023-08-14T10:03:43.959668445-04:00
    modified: 2023-08-14T10:03:43.959668445-04:00

After:

porter credentials list porter-hello -oyaml
- schemaType: CredentialSet
  schemaVersion: 1.0.1
  namespace: ""
  name: porter-hello
  credentials:
    - name: kubeconfig
      source:
        path: /home/troy0820/.kube/config
    - name: username
      source:
        env: FAKE_USER
  status:
    created: 2023-08-14T10:04:55.919030332-04:00
    modified: 2023-08-14T10:04:55.919030332-04:00

Checklist

• Did you write tests?
• Did you write documentation?
• Did you change porter.yaml or a storage document record? Update the corresponding schema file.
• If this is your first pull request, please add your name to the bottom of our Contributors list. Thank you for making Porter better! 🙇‍♀️

Reviewer Checklist

• Comment with /azp run test-porter-release if a magefile or build script was modified
• Comment with /azp run porter-integration if it's a non-trivial PR

[troy0820]

/azp run porter-integration

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[schristoff]

looks good ty

[ludfjig]

tests pass on windows, I am happy :)