Update Go to version 1.21.4 and 1.20.11

Signed-off-by: Cosmin Cojocar <gcojocar@adobe.com>

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        version: [{go: '1.20.10', golangci: 'latest'}, {go: '1.21.3', golangci: 'latest'}]
+        version: [{go: '1.20.11', golangci: 'latest'}, {go: '1.21.4', golangci: 'latest'}]
     runs-on: ubuntu-latest
     env:
       GO111MODULE: on
@@ -46,7 +46,7 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.4'
       - name: Checkout Source 
         uses: actions/checkout@v4
       - uses: actions/cache@v3

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.4'
       - name: Install Cosign
         uses: sigstore/cosign-installer@v3
         with: