feat: enable dora execution indexer (#1282)

rel ethpandaops/dora#547

```yaml
# network_params.yaml
participants:
  - el_type: geth
    cl_type: lighthouse
  - el_type: besu
    cl_type: teku

additional_services:
  - dora
  - spamoor

dora_params:
  image: ethpandaops/dora:pk910-el-explorer
spamoor_params:
  image: ethpandaops/spamoor:master
  spammers:
    - scenario: evm-fuzz
      config:
        throughput: 10
    - scenario: eoatx
      config:
        throughput: 10
    - scenario: erc20tx
      config:
        throughput: 10
    - scenario: erc721tx
      config:
        throughput: 10
    - scenario: erc1155tx
      config:
        throughput: 10
    - scenario: uniswap-swaps
      config:
        throughput: 10
```

`kurtosis run
github.com/ethpandaops/ethereum-package@pk910/dora-el-explorer
--args-file network_params.yaml`

Author: pk910

static_files/dora-config/config.yaml.tmpl

@@ -106,6 +106,10 @@ mevIndexer:
 {{- end }}
   refreshInterval: 5m
 
+executionIndexer:
+  enabled: true
+  retention: 168h # keep history for 1 week
+
 database:
   engine: "sqlite"
   sqlite: