Fix some issues pointed out by zizmor. (#234)

.github/workflows/check-psl.yml

@@ -22,6 +22,8 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Update PSL (returns exit code 1 if something changed)
         run: ./update-psl.sh

.github/workflows/ee.yml

@@ -68,6 +68,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           path: ansible_collections/${{ env.NAMESPACE }}/${{ env.COLLECTION_NAME }}
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -101,7 +102,7 @@ jobs:
 
       - name: Create files for building execution environment
         run: |
-          COLLECTION_FILENAME="$(ls "${{ env.NAMESPACE }}-${{ env.COLLECTION_NAME }}"-*.tar.gz)"
+          COLLECTION_FILENAME="$(ls "${NAMESPACE}-${COLLECTION_NAME}"-*.tar.gz)"
 
           # EE config
           cat > execution-environment.yml <<EOF

.github/workflows/extra-tests.yml

@@ -29,6 +29,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           path: ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@v5

.github/workflows/reuse.yml

@@ -26,6 +26,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: REUSE Compliance Check
         uses: fsfe/reuse-action@v5