ci(agents): raise go and integration matrix max-parallel to 8

.github/workflows/ci.yml

@@ -837,7 +837,7 @@ jobs:
         run: bash ../.github/scripts/ci-agent-go.sh "$DRIVER" "$BINARY" "$RACE"
     strategy:
       fail-fast: false
-      max-parallel: 4
+      max-parallel: 8
       matrix: ${{ fromJSON(needs.changes.outputs.agent_go) }}
   agent-integration:
     needs: [changes, fast-checks, agent-checks]
@@ -879,7 +879,7 @@ jobs:
     name: agent-integration (${{ matrix.scenario }}, ${{ matrix.version }})
     strategy:
       fail-fast: false
-      max-parallel: 4
+      max-parallel: 8
       matrix: ${{ fromJSON(needs.changes.outputs.agent_integration) }}
   ci:
     needs: