ParaTimes: increase default gas and fee amount to fix Cipher withdrawals

[buberdds]

mirroring oasisprotocol/oasis-wallet-ext#296

closes #1285

[codecov]

Codecov Report

Merging #1327 (0070b0a) into master (aa443cf) will decrease coverage by 0.01%.
The diff coverage is 33.33%.

❗ Current head 0070b0a differs from pull request most recent head 8b034e8. Consider uploading reports for the commit 8b034e8 to get more accurate results

@@            Coverage Diff             @@
##           master    #1327      +/-   ##
==========================================
- Coverage   84.77%   84.77%   -0.01%     
==========================================
  Files         142      142              
  Lines        3613     3612       -1     
  Branches      661      661              
==========================================
- Hits         3063     3062       -1     
  Misses        550      550              

Flag	Coverage Δ
cypress	51.64% <0.00%> (-0.02%)	⬇️
jest	80.01% <33.33%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
src/app/state/paratimes/saga.ts	60.71% <ø> (ø)
src/config.ts	100.00% <ø> (ø)
src/app/lib/transaction.ts	67.00% <20.00%> (-0.33%)	⬇️
src/app/state/transaction/saga.ts	72.04% <100.00%> (ø)