ci: bump github actions dependency setup-go

The version v2 was deprecated and was causing warnings.

Signed-off-by: NymanRobin <robin.nyman@est.tech>
(cherry picked from commit 8af9917b9e)

.github/workflows/canary-test-config/action.yaml

@@ -12,7 +12,7 @@ runs:
         tool-cache: true
 
     - name: setup golang
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v5
       with:
         go-version: "1.21"
 

.github/workflows/integration-test-config-latest-k8s/action.yaml

@@ -16,7 +16,7 @@ runs:
         tool-cache: true
 
     - name: setup golang
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v5
       with:
         go-version: "1.21"