update github action versions (#80)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f30167a..2ca90c6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -39,7 +39,7 @@
     steps:
       # Checkout just this repo and run scanCode before we do anything else
       - name: Checkout runtime repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: runtime
       - name: Scan Code
@@ -47,12 +47,12 @@
 
       # Install core OpenWhisk artifacts needed to build/test anything else
       - name: Checkout OpenWhisk core repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: apache/openwhisk
           path: core
       - name: Setup Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '11'
@@ -79,7 +79,7 @@
       # Important: naming convention for release tags is runtime@version
       - name: Docker Login
         if: ${{ env.PUSH_NIGHTLY  == 'true' || env.PUSH_RELEASE == 'true' }}
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USER_OPENWHISK }}
           password: ${{ secrets.DOCKERHUB_TOKEN_OPENWHISK }}