fix(common): clippy issues raised by 1.63

[TommyCpp]

• Fix issues raised by 1.63 stable
• Fix issues raised by 1.63 nightly
• collector_password should take &self

[codecov]

Codecov Report

Merging #862 (d8eb98b) into main (8df4f49) will decrease coverage by 2.2%.
The diff coverage is 43.9%.

@@           Coverage Diff           @@
##            main    #862     +/-   ##
=======================================
- Coverage   68.8%   66.6%   -2.3%     
=======================================
  Files        115     113      -2     
  Lines       9371    8727    -644     
=======================================
- Hits        6455    5813    -642     
+ Misses      2916    2914      -2     

Impacted Files	Coverage Δ
opentelemetry-api/src/metrics/instruments/gauge.rs	0.0% <0.0%> (ø)
...try-api/src/metrics/instruments/up_down_counter.rs	0.0% <0.0%> (ø)
opentelemetry-dynatrace/src/lib.rs	46.6% <ø> (ø)
opentelemetry-http/src/lib.rs	7.5% <0.0%> (-4.8%)	⬇️
opentelemetry-jaeger/src/exporter/agent.rs	13.7% <ø> (+1.2%)	⬆️
opentelemetry-jaeger/src/exporter/runtime.rs	0.0% <ø> (ø)
opentelemetry-sdk/src/export/metrics/stdout.rs	0.0% <0.0%> (ø)
opentelemetry-sdk/src/metrics/aggregators/mod.rs	70.0% <ø> (ø)
opentelemetry-sdk/src/testing/metric.rs	0.0% <0.0%> (ø)
opentelemetry/src/lib.rs	100.0% <ø> (ø)
... and 75 more

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