build: uses setup-go@v3 to simplify cache config

This updates to setup-go@v3 which is the only updated version (v2 last
updated in feb), and employs its cache to simplify workflow
configuration.

Notably, we can't do this for Alpine until #3146

Signed-off-by: Adrian Cole <adrian@tetrate.io>

.github/workflows/windows.yml

@@ -15,10 +15,6 @@ jobs:
   build-windows:
     runs-on: windows-2022
     steps:
-      - name: Install Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: '1.18.1'
       - uses: brechtm/setup-scoop@v2
         with:
           scoop_update: 'false'
@@ -30,13 +26,11 @@ jobs:
         uses: actions/checkout@v2
         with:
           submodules: true
-      - name: Cache Go
-        uses: actions/cache@v3
+      - name: Install Go
+        uses: actions/setup-go@v3
         with:
-          key: go-cache-windows-v1-${{ hashFiles('go.mod') }}
-          path: |
-            ~/AppData/Local/go-build
-            ~/go/pkg/mod
+          go-version: '1.18.1'
+          cache: true
       - name: Cache LLVM source
         uses: actions/cache@v3
         id: cache-llvm-source