add production profile

[zqhxuyuan]

closes: #1836

• bench bot
• docker

wasm:

cargo build --profile production --features with-karura-runtime
1237650  3 12 22:11 karura_runtime.compact.compressed.wasm (12.9%)
4975128  3 12 22:11 karura_runtime.compact.wasm (39.2%)
5420444  3 12 22:11 karura_runtime.wasm (40.78%)

cargo build --release --features with-karura-runtime
1397539  3 12 23:18 karura_runtime.compact.compressed.wasm
6929984  3 12 23:18 karura_runtime.compact.wasm
7630894  3 12 23:18 karura_runtime.wasm

[codecov]

Codecov Report

Merging #1954 (e53301b) into master (a5e172b) will increase coverage by 0.32%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1954      +/-   ##
==========================================
+ Coverage   86.14%   86.47%   +0.32%     
==========================================
  Files          89       90       +1     
  Lines       18911    19780     +869     
==========================================
+ Hits        16291    17104     +813     
- Misses       2620     2676      +56     

Impacted Files	Coverage Δ
rpc/src/lib.rs
modules/currencies/src/tests.rs	100.00% <0.00%> (ø)
modules/currencies/src/lib.rs	80.10% <0.00%> (ø)

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