Update to go version 1.24.3 and 1.23.9

Change-Id: I51a700de77a580647088f6ac40a725bac5c4e233
Signed-off-by: Cosmin Cojocar <ccojocar@google.com>

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        version: [{go: '1.23.8', golangci: 'latest'}, {go: '1.24.2', golangci: 'latest'}]
+        version: [{go: '1.23.9', golangci: 'latest'}, {go: '1.24.3', golangci: 'latest'}]
     runs-on: ubuntu-latest
     env:
       GO111MODULE: on
@@ -48,7 +48,7 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.24.2'
+          go-version: '1.24.3'
       - name: Checkout Source
         uses: actions/checkout@v4
       - uses: actions/cache@v4

.github/workflows/release.yml

@@ -17,11 +17,11 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.24.2'
+          go-version: '1.24.3'
       - name: Install Cosign
         uses: sigstore/cosign-installer@v3
         with:
-          cosign-release: 'v2.4.3'
+          cosign-release: 'v2.5.0'
       - name: Store Cosign private key in a file
         run: 'echo "$COSIGN_KEY" > /tmp/cosign.key'
         shell: bash