workflows: Perform the setup uncached

Author: JoeKar

.github/workflows/nightly.yaml

@@ -15,6 +15,7 @@ jobs:
       uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
+        cache: false
 
     - name: Checkout
       uses: actions/checkout@v4

.github/workflows/test.yaml

@@ -11,6 +11,8 @@ jobs:
     - uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
+        cache: false
+
     - uses: actions/checkout@v4
 
     - name: Build