checkout first, bump some deps, drop caching

.github/workflows/deploy.yaml

@@ -15,8 +15,10 @@ jobs:
       id-token: write
       contents: read
     steps:
+    - uses: actions/checkout@v3
+
     # Install tools.
-    - uses: actions/setup-go@v2
+    - uses: actions/setup-go@v3
       with:
         go-version: 1.17.x
     - uses: imjasonh/setup-ko@v0.4
@@ -33,22 +35,10 @@ jobs:
     - uses: google-github-actions/setup-gcloud@v0.6.0
       with:
         project_id: kontaindotme
-    - name: Login
+    - name: Login to GCR
       run: |
         gcloud auth print-access-token | ko login gcr.io --username=oauth2accesstoken --password-stdin
 
-    # Checkout code.
-    - uses: actions/checkout@v2
-    - uses: actions/cache@v2
-      with:
-        path: |
-          ~/.cache/go-build
-          ~/go/pkg/mod
-          ~/ko
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-
-
     # Deploy and test.
     - run: ./deploy.sh
       env: