Update actions (#363)

Signed-off-by: Knative Automation <automation@knative.team>

.github/workflows/knative-boilerplate.yaml

@@ -42,10 +42,10 @@ jobs:
 
     steps:
 
-      - name: Set up Go 1.15.x
+      - name: Set up Go 1.16.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15.x
+          go-version: 1.16.x
         id: go
 
       - name: Check out code

.github/workflows/knative-go-build.yaml

@@ -27,7 +27,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.15.x]
+        go-version: [1.16.x]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}
@@ -43,7 +43,13 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v2
 
+      - id: go_mod
+        uses: andstor/file-existence-action@v1
+        with:
+          files: go.mod
+
       - name: Build
+        if: ${{ steps.go_mod.outputs.files_exists == 'true' }}
         run: |
           tags="$(grep -I  -r '// +build' . | \
                 grep -v '^./vendor/' | \
@@ -55,5 +61,4 @@ jobs:
                 tr '\n' ' ')"
 
           echo "Building with tags: ${tags}"
-          go test -vet=off -tags "${tags}" -run=^$ ./... | grep -v "no test" || true
-
+          go test -vet=off -tags "${tags}" -run=^$ ./...

.github/workflows/knative-go-test.yaml

@@ -31,7 +31,7 @@ jobs:
     name: Unit Tests
     strategy:
       matrix:
-        go-version: [1.15.x]
+        go-version: [1.16.x]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}

.github/workflows/knative-releasability.yaml

@@ -54,10 +54,10 @@ jobs:
             echo "SLACK_WEBHOOK=exists" >> $GITHUB_ENV
           fi
 
-      - name: Set up Go 1.15.x
+      - name: Set up Go 1.16.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15.x
+          go-version: 1.16.x
 
       - name: Install Dependencies
         run: GO111MODULE=on go get knative.dev/test-infra/buoy@main

.github/workflows/knative-style.yaml

@@ -40,10 +40,10 @@ jobs:
           importpath: golang.org/x/tools/cmd/goimports
 
     steps:
-      - name: Set up Go 1.15.x
+      - name: Set up Go 1.16.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15.x
+          go-version: 1.16.x
         id: go
 
       - name: Check out code
@@ -89,10 +89,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up Go 1.15.x
+      - name: Set up Go 1.16.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15.x
+          go-version: 1.16.x
         id: go
 
       - name: Check out code

.github/workflows/knative-verify.yaml

@@ -27,7 +27,7 @@ jobs:
     name: Verify Deps and Codegen
     strategy:
       matrix:
-        go-version: [1.15.x]
+        go-version: [1.16.x]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}