Tools: update node exporter to ignore malformed metrics

[onetechnical]

Summary

Metrics with closing curly brace before open curly brace were breaking node exporter. This pulls in a patched node exporter.

Binaries built here:
https://github.com/algorand/node_exporter/actions/runs/3017995065

Test Plan

N/A

[codecov]

Codecov Report

Merging #4518 (c7448e3) into master (dc2df6b) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4518      +/-   ##
==========================================
- Coverage   55.26%   55.23%   -0.04%     
==========================================
  Files         398      398              
  Lines       50366    50366              
==========================================
- Hits        27836    27820      -16     
- Misses      20199    20209      +10     
- Partials     2331     2337       +6     

Impacted Files	Coverage Δ
cmd/algoh/blockWatcher.go	77.77% <0.00%> (-3.18%)	⬇️
crypto/merkletrie/node.go	90.69% <0.00%> (-2.80%)	⬇️
crypto/merkletrie/trie.go	66.42% <0.00%> (-2.19%)	⬇️
ledger/tracker.go	71.91% <0.00%> (-2.13%)	⬇️
ledger/blockqueue.go	85.63% <0.00%> (-1.73%)	⬇️
ledger/acctupdates.go	69.44% <0.00%> (-0.75%)	⬇️
network/wsPeer.go	68.11% <0.00%> (+0.27%)	⬆️
catchup/service.go	69.62% <0.00%> (+0.98%)	⬆️
ledger/roundlru.go	96.22% <0.00%> (+5.66%)	⬆️

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