workflows: fix artipacked zizmor findings

Signed-off-by: Patrick Linnane <[email protected]>

Author: p-linnane

.github/workflows/tests.yml

@@ -24,6 +24,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Homebrew
@@ -58,6 +59,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Homebrew
@@ -92,6 +94,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Homebrew
@@ -146,6 +149,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
+          persist-credentials: false
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Homebrew
@@ -177,6 +181,8 @@ jobs:
     steps:
       - name: Set up Git repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
 
       - name: Set up Homebrew
         id: set-up-homebrew