Reduce cache thrashing on E2E vagrant boxes. Don't cache for windows unit tests. (#11769)

Signed-off-by: Derek Nola <derek.nola@suse.com>

.github/workflows/e2e.yaml

@@ -54,15 +54,22 @@ jobs:
       
       - name: Set up vagrant and libvirt
         uses: ./.github/actions/vagrant-setup
-      - name: "Vagrant Cache"
+      - name: Vagrant R/W Cache
+        if: matrix.etest != 'btrfs' && github.ref == 'refs/heads/master'
         uses: actions/cache@v4
         with:
           path: |
              ~/.vagrant.d/boxes
-          key: vagrant-box-ubuntu-2404
+          key: ${{ matrix.etest != 'btrfs' && 'vagrant-box-ubuntu-2404' || 'vagrant-box-leap' }}
+      - name: Vagrant Read Cache
+        if: matrix.etest != 'btrfs' && github.ref != 'refs/heads/master'
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+             ~/.vagrant.d/boxes
+          key: ${{ matrix.etest != 'btrfs' && 'vagrant-box-ubuntu-2404' || 'vagrant-box-leap' }}
       - name: "Vagrant Plugin(s)"
         run: vagrant plugin install vagrant-k3s vagrant-reload vagrant-scp
-      
       - name: Install Go
         uses: actions/setup-go@v5
         with: 

.github/workflows/unitcoverage.yaml

@@ -64,6 +64,8 @@ jobs:
         fetch-depth: 1
     - name: Install Go
       uses: actions/setup-go@v5
+      with:
+        cache: false
     - name: Run Unit Tests
       run: |
         go test -coverpkg ./pkg/... -coverprofile coverage.out ./pkg/... -run Unit