Use Go 1.15 for the build/test/release (#196)

Signed-off-by: Juraci Paixão Kröhling <[email protected]>

.github/workflows/continuous-integration.yaml

@@ -11,12 +11,10 @@ jobs:
     name: Unit tests
     runs-on: ubuntu-20.04
     steps:
-
-    - name: Set up Go 1.15
+    - name: Set up Go
       uses: actions/setup-go@v2
       with:
         go-version: 1.15
-      id: go
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2

.github/workflows/e2e.yaml

@@ -12,6 +12,11 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
 
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.15
+
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
 

.github/workflows/release.yaml

@@ -8,15 +8,17 @@ jobs:
   unit-tests:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/setup-go@v1
+    - name: Set up Go
+      uses: actions/setup-go@v2
       with:
-        go-version: '1.14.4'
+        go-version: 1.15
+
     - uses: actions/checkout@v1
 
     - name: "install kubebuilder"
       run: ./hack/install-kubebuilder.sh
 
-    - uses: jpkrohling/setup-operator-sdk@v1.0.2
+    - uses: jpkrohling/setup-operator-sdk@v1.1.0
       with:
         operator-sdk-version: v1.4.0