Bump prometheus-cpp to 1.3.0 and libcurl to >=8.20.0

[xiaoxichen]

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[codecov-commenter]

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Additional details and impacted files

@@               Coverage Diff               @@
##             stable/v13.x     #328   +/-   ##
===============================================
  Coverage                ?   50.59%           
===============================================
  Files                   ?       63           
  Lines                   ?     4145           
  Branches                ?     1801           
===============================================
  Hits                    ?     2097           
  Misses                  ?      869           
  Partials                ?     1179           

Components	Coverage Δ
AuthManager	55.55% <0.00%> (?)
Cache	31.52% <0.00%> (?)
FDS	60.84% <0.00%> (?)
FileWatcher	37.60% <0.00%> (?)
Flip	∅ <0.00%> (?)
gRPC	56.25% <0.00%> (?)
Logging	27.65% <0.00%> (?)
Metrics	58.39% <0.00%> (?)
Options	25.00% <0.00%> (?)
Setting	29.62% <0.00%> (?)
StatusObject	37.50% <0.00%> (?)
Utility	61.43% <0.00%> (?)
Version	36.00% <0.00%> (?)

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[JacksonYao287]

LGTM