[chore] update to 0.9.23

[1xstj]

Summary of changes
Changes introduced in this pull request:

• Update to substrate 0.9.23, to match rococo

Reference issue to close (if applicable)

Part of tangle-network/tangle#16

[codecov-commenter]

Codecov Report

Merging #223 (9b06e80) into main (cc9f08d) will decrease coverage by 0.07%.
The diff coverage is 53.84%.

@@            Coverage Diff             @@
##             main     #223      +/-   ##
==========================================
- Coverage   82.74%   82.67%   -0.08%     
==========================================
  Files          82       82              
  Lines        5836     5841       +5     
==========================================
  Hits         4829     4829              
- Misses       1007     1012       +5     

Impacted Files	Coverage Δ
pallets/anchor/src/mock.rs	85.00% <ø> (ø)
pallets/mixer/src/mock.rs	100.00% <ø> (ø)
pallets/token-wrapper/src/mock.rs	66.66% <ø> (ø)
pallets/vanchor-handler/src/mock_bridge.rs	0.00% <ø> (ø)
...llets/vanchor-handler/src/mock_signature_bridge.rs	0.00% <ø> (ø)
pallets/vanchor/src/mock.rs	68.42% <ø> (ø)
pallets/xanchor/src/mock/parachain.rs	0.00% <ø> (ø)
standalone/node/src/rpc.rs	0.00% <0.00%> (ø)
standalone/runtime/src/lib.rs	0.00% <ø> (ø)
pallets/bridge/src/lib.rs	64.86% <50.00%> (-0.45%)	⬇️
... and 10 more

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