CSUB-373: Enable Build WASM Runtime job for PRs againt dev/tesnet

[atodorov]

automatic update of WASM blob will still happen only on merged to dev

Description of proposed changes:

Practical tips for PR review & merge:

• All GitHub Actions report PASS
• Newly added code/functions have unit tests
  • Coverage tools report all newly added lines as covered
  • The positive scenario is exercised
  • Negative scenarios are exercised, e.g. assert on all possible errors
  • Assert on events triggered if applicable
  • Assert on changes made to storage if applicable
• Modified behavior/functions - try to make sure above test items are covered
• Integration tests are added if applicable/needed

[github-actions]

For full LLVM coverage report click here!

[codecov-commenter]

Codecov Report

Merging #876 (6f0981c) into dev (cd2e16a) will increase coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev     #876      +/-   ##
==========================================
+ Coverage   78.07%   78.14%   +0.07%     
==========================================
  Files          67       68       +1     
  Lines       10617    10666      +49     
==========================================
+ Hits         8289     8335      +46     
- Misses       2328     2331       +3     

Impacted Files	Coverage Δ
primitives/src/lib.rs	93.33% <0.00%> (ø)
pallets/creditcoin/src/lib.rs	81.70% <0.00%> (ø)
pallets/creditcoin/src/migrations/v6.rs	89.21% <0.00%> (ø)
primitives/src/vrf.rs	93.87% <0.00%> (ø)

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