Update nick-fields/assert-action action to v3

Author: renovate[bot]

.github/workflows/test-negative.yml

@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test]
     steps:
-      - uses: nick-fields/assert-action@v2
+      - uses: nick-fields/assert-action@v3
         with:
           expected: 'failure'
           actual: "${{ needs.test.outputs.result }}"

.github/workflows/test-positive.yml

@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test]
     steps:
-      - uses: nick-fields/assert-action@v2
+      - uses: nick-fields/assert-action@v3
         with:
           expected: 'success'
           actual: "${{ needs.test.outputs.result }}"