Update dependency go to v1.24.3

Author: renovate[bot]

.github/workflows/charm_integration_test.yml

@@ -125,7 +125,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5.3.0
         with:
-          go-version: 1.24.0
+          go-version: 1.24.3
 
       - name: Install spread
         run: |