rework BPO handling & fix shadow forks with active BPOs on parent network

[pk910]

based on #243, reworks the BPO&shadowfork handling

[barnabasbusa]

TASK [ethpandaops.general.ethereum_genesis : Run genesis generator] ********************************************************************************************************************************************************************************************************************************************************************
fatal: [localhost -> 127.0.0.1]: FAILED! => changed=false 
  cmd: |-
    docker run --rm -t -u 501 -v /var/folders/4m/hkv5p0ns32q1kc8bhl7t553c0000gn/T/ansible._zsnhujuethereum-genesis-config-output:/data -v /var/folders/4m/hkv5p0ns32q1kc8bhl7t553c0000gn/T/ansible.5lomvsnjethereum-genesis-config-input:/config ethpandaops/ethereum-genesis-generator:pk910-bpo-schedule-66d9ea9 all
  delta: '0:00:00.466696'
  end: '2025-10-09 13:40:54.565222'
  failed_when_result: true
  msg: non-zero return code
  rc: 1
  start: '2025-10-09 13:40:54.098526'
  stderr: ''
  stderr_lines: <omitted>
  stdout: |-
    + '[' -f /data/metadata/genesis.json ']'
    + mkdir -p /data/metadata
    + source /apps/el-gen/generate_genesis.sh
    + generate_genesis /data/metadata
    + set +x
    --2025-10-09 11:40:54--  https://raw.githubusercontent.com/eth-clients/sepolia/refs/heads/main/metadata/genesis.json
    Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 185.199.108.133, 185.199.110.133, 185.199.109.133, ...
    Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.108.133|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 3192 (3.1K) [text/plain]
    Saving to: '/tmp/ci-N3ZDKU7buh/genesis.json'
  
              /tmp/ci-N   0%[                    ]       0  --.-KB/s               /tmp/ci-N3ZDKU7buh/ 100%[===================>]   3.12K  --.-KB/s    in 0s
  
    2025-10-09 11:40:54 (8.61 MB/s) - '/tmp/ci-N3ZDKU7buh/genesis.json' saved [3192/3192]
  
    --2025-10-09 11:40:54--  https://raw.githubusercontent.com/eth-clients/sepolia/refs/heads/main/metadata/chainspec.json
    Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 185.199.108.133, 185.199.110.133, 185.199.109.133, ...
    Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.108.133|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 6108 (6.0K) [text/plain]
    Saving to: '/tmp/ci-N3ZDKU7buh/chainspec.json'
  
              /tmp/ci-N   0%[                    ]       0  --.-KB/s               /tmp/ci-N3ZDKU7buh/ 100%[===================>]   5.96K  --.-KB/s    in 0.002s
  
    2025-10-09 11:40:54 (3.82 MB/s) - '/tmp/ci-N3ZDKU7buh/chainspec.json' saved [6108/6108]
  
    --2025-10-09 11:40:54--  https://raw.githubusercontent.com/eth-clients/sepolia/refs/heads/main/metadata/besu.json
    Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 185.199.108.133, 185.199.110.133, 185.199.109.133, ...
    Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.108.133|:443... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 4322 (4.2K) [text/plain]
    Saving to: '/tmp/ci-N3ZDKU7buh/besu.json'
  
              /tmp/ci-N   0%[                    ]       0  --.-KB/s               /tmp/ci-N3ZDKU7buh/ 100%[===================>]   4.22K  --.-KB/s    in 0s
  
    2025-10-09 11:40:54 (9.59 MB/s) - '/tmp/ci-N3ZDKU7buh/besu.json' saved [4322/4322]
  
    cat: 'https://snapshots.ethpandaops.io/sepolia/geth/9230001/_snapshot_eth_getBlockByNumber.json': No such file or directory
  stdout_lines: <omitted>

Does not seem to be working