Mitigate GitHub Actions cache poisoning attacks (#141)

Author: Incredible-O

.github/workflows/ci.yaml

@@ -29,6 +29,7 @@ jobs:
         uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
           go-version-file: "${{ github.workspace }}/go.mod"
+          cache: false
       - name: Run unit tests and integration tests
         id: unittest
         run: |
@@ -43,6 +44,7 @@ jobs:
       - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
           go-version-file: "${{ github.workspace }}/go.mod"
+          cache: false
       - name: Run lint
         run: |
           make go/lint