Update to Apodini 0.9.X

[PaulsAutomationBot]

Update the Swift Package dependencies.

[codecov]

Codecov Report

Merging #7 (814e256) into develop (9ad2e78) will increase coverage by 5.09%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop       #7      +/-   ##
===========================================
+ Coverage    76.84%   81.93%   +5.09%     
===========================================
  Files            8        8              
  Lines          177      177              
===========================================
+ Hits           136      145       +9     
+ Misses          41       32       -9     

Impacted Files	Coverage Δ
...ation/MetricsHandlerConfiguration+Prometheus.swift	34.38% <0.00%> (+3.13%)	⬆️
...rometheus/MetricTypes/ApodiniPrometheusGauge.swift	96.30% <0.00%> (+3.71%)	⬆️
...metheus/MetricTypes/ApodiniPrometheusCounter.swift	96.30% <0.00%> (+3.71%)	⬆️
...metheus/MetricTypes/ApodiniPrometheusSummary.swift	94.45% <0.00%> (+5.56%)	⬆️
...theus/MetricTypes/ApodiniPrometheusHistogram.swift	94.12% <0.00%> (+5.89%)	⬆️
...MetricConfiguration/MetricsSystem+Prometheus.swift	86.67% <0.00%> (+13.34%)	⬆️

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