Update actions/checkout and actions/cache to v4, update runner to 24.04 (#181)

Signed-off-by: David Kwon <dakwon@redhat.com>

Author: dkwon17

.github/workflows/dockerimage-next.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
 
     - name: Cache Operator SDK ${{ env.OPERATOR_SDK_VERSION }}
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       id: cache-operator-sdk
       with:
         path: ~/cache
@@ -45,7 +45,7 @@ jobs:
         echo "$HOME/bin" >> $GITHUB_PATH
 
     - name: Cache OPM ${{ env.OPM_VERSION }}
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       id: cache-opm
       with:
         path: ~/cache
@@ -66,7 +66,7 @@ jobs:
         echo "$HOME/bin" >> $GITHUB_PATH
 
     - name: Checkout web-terminal-operator source code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Login to quay.io
       uses: docker/login-action@v1

.github/workflows/pr-check.yml

@@ -16,7 +16,7 @@ jobs:
 
   go:
     name: Check go sources
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
     -
       name: Set up Go 1.x
@@ -25,11 +25,11 @@ jobs:
         go-version: 1.21.13
     -
       name: Check out code into the Go module directory
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
     -
       name: Cache go modules
       id: cache-mod
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout web-terminal-operator source code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: "Check WTO Controller image"
       run: docker build -t wto-controller:test -f build/dockerfiles/controller.Dockerfile .