Update go dependencies to latest and actions used in workflows (#2510)

* Updated all Go language dependencies to latest version available
* Formatted all files as per gofmt
* Update Golangci-lint version to 1.48.0
* Updated action version wherer application in Github workflows
* Updated Kubernetes version to latest available
* Remove "io/ioutil" references and replace with "io"/"os"

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

.github/workflows/lint.yaml

@@ -23,14 +23,14 @@ jobs:
 
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.18.1
+          go-version: 1.18.5
 
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -42,7 +42,7 @@ jobs:
           go mod verify
           go mod download
 
-          LINT_VERSION=1.45.0
+          LINT_VERSION=1.48.0
           curl -fsSL https://github.com/golangci/golangci-lint/releases/download/v${LINT_VERSION}/golangci-lint-${LINT_VERSION}-linux-amd64.tar.gz | \
             tar xz --strip-components 1 --wildcards \*/golangci-lint
           mkdir -p bin && mv golangci-lint bin/