Update README.md

[userdocs]

Using zizmor these errors were resolved in the example workflow.

21 |         - name: Checkout your repository using git
   |  _________-
22 | |         uses: actions/checkout@v4
   | |_________________________________- does not set persist-credentials: false
   |
   = note: audit confidence → Low

error[excessive-permissions]: overly broad workflow or job-level permissions
  --> \\?\I:\repo\.github\workflows\test.yml:12:1
   |
12 | / permissions:
13 | |   contents: read
14 | |   pages: write
15 | |   id-token: write
   | |_________________^ pages: write is overly broad at the workflow level
   |
   = note: audit confidence → High

error[excessive-permissions]: overly broad workflow or job-level permissions
  --> \\?\I:\repo\.github\workflows\test.yml:12:1
   |
12 | / permissions:
13 | |   contents: read
14 | |   pages: write
15 | |   id-token: write
   | |_________________^ id-token: write is overly broad at the workflow level
   |
   = note: audit confidence → High

6 findings (3 suppressed): 0 unknown, 0 informational, 0 low, 1 medium, 2 high

[delucis]

Hi @userdocs! Could you share how you tested these changes?

[userdocs]

@delucis it's the link in my comment

https://github.com/woodruffw/zizmor