chore: polkadot-v0.9.12

[green-jay]

No description provided.

[codecov]

Codecov Report

Merging #222 (3b8df21) into master (8da8f3a) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #222   +/-   ##
=======================================
  Coverage   82.82%   82.82%           
=======================================
  Files          23       23           
  Lines        2108     2108           
=======================================
  Hits         1746     1746           
  Misses        362      362           

Impacted Files	Coverage Δ
pallets/nft/src/lib.rs	92.43% <ø> (ø)
primitives/src/lib.rs	85.71% <ø> (ø)
pallets/transaction-multi-payment/src/lib.rs	74.40% <100.00%> (ø)

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[mrq1911]

@enthusiastmartin please check out the XCM changes

[enthusiastmartin]

@enthusiastmartin please check out the XCM changes

Looks ok to me.