network/util: increase default timeout of make_aiohttp_session (30->45s)
network/util: increase default timeout of make_aiohttp_session (30->45s)

related: #5337

wakiyamap/electrum-mona,vialectrum/vialectrum,spesmilo/electrum,pooler/electrum-ltc,vialectrum/vialectrum,pooler/electrum-ltc,wakiyamap/electrum-mona,pooler/electrum-ltc,spesmilo/electrum,wakiyamap/electrum-mona,pooler/electrum-ltc,wakiyamap/electrum-mona,spesmilo/electrum,vialectrum/vialectrum,spesmilo/electrum