chore(deps): update node.js to v20.5

[renovate]

This PR contains the following updates:

Package	Update	Change
node	minor	20.4 -> 20.5

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[codecov]

Codecov Report

Merging #369 (31eb154) into main (6e0af0f) will increase coverage by 16.87%.
The diff coverage is 16.59%.

@@            Coverage Diff             @@
##            main     #369       +/-   ##
==========================================
+ Coverage   8.86%   25.73%   +16.87%     
==========================================
  Files         66       45       -21     
  Lines       9919     6586     -3333     
  Branches      23        0       -23     
==========================================
+ Hits         879     1695      +816     
+ Misses      8913     4891     -4022     
+ Partials     127        0      -127     

Flag	Coverage Δ
backend	25.73% <16.59%> (+11.11%)	⬆️
frontend-e2e-chrome	?
frontend-e2e-electron	?
frontend-e2e-firefox	?
frontend-unit	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
internal/db/models/call.go	0.00% <0.00%> (ø)
internal/db/models/repeater.go	0.00% <0.00%> (ø)
internal/db/models/talkgroup.go	14.10% <0.00%> (-1.18%)	⬇️
internal/dmr/calltracker/call_tracker.go	0.00% <0.00%> (ø)
internal/dmr/parrot/parrot.go	0.00% <0.00%> (ø)
internal/dmr/parrot/parrot_redis.go	0.00% <0.00%> (ø)
internal/dmr/servers/hbrp/packet_handlers.go	0.00% <0.00%> (ø)
internal/dmr/servers/hbrp/redis.go	0.00% <0.00%> (ø)
internal/dmr/servers/hbrp/server.go	0.00% <0.00%> (ø)
internal/dmr/servers/hbrp/subscriptions_manager.go	0.00% <0.00%> (ø)
... and 35 more

... and 27 files with indirect coverage changes

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