feat(host-metrics): upgrade api-metrics to v0.28.0

[legendecas]

Which problem is this PR solving?

• Upgrade @opentelemetry/api-metrics and @opentelemetry/sdk-metrics-base to v0.28.0 in host-metrics.

Short description of the changes

• Claim package owner, /cc @obecny.
• Now that the metrics collection is determinist with metricReader.collect (collect whenever it is needed), refactor the tests to be more deterministic without fake timers.

Checklist

• Ran npm run test-all-versions for the edited package(s) on the latest commit if applicable.

[codecov]

Codecov Report

Merging #990 (9e9cf96) into main (2ea76cc) will increase coverage by 0.33%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #990      +/-   ##
==========================================
+ Coverage   95.91%   96.24%   +0.33%     
==========================================
  Files          13       19       +6     
  Lines         856     1013     +157     
  Branches      178      188      +10     
==========================================
+ Hits          821      975     +154     
- Misses         35       38       +3     

Impacted Files	Coverage Δ
...ages/opentelemetry-host-metrics/src/BaseMetrics.ts	100.00% <100.00%> (ø)
packages/opentelemetry-host-metrics/src/metric.ts	100.00% <100.00%> (ø)
packages/opentelemetry-host-metrics/src/util.ts	91.66% <0.00%> (ø)
packages/opentelemetry-host-metrics/src/enum.ts	100.00% <0.00%> (ø)
...ackages/opentelemetry-host-metrics/src/stats/si.ts	66.66% <0.00%> (ø)
...ges/opentelemetry-host-metrics/src/stats/common.ts	100.00% <0.00%> (ø)