chore(deps): bump go.opentelemetry.io/otel/sdk/metric from 1.20.0 to 1.21.0

[dependabot[bot]]

Bumps go.opentelemetry.io/otel/sdk/metric from 1.20.0 to 1.21.0.

Changelog

Sourced from go.opentelemetry.io/otel/sdk/metric's changelog.

[1.21.0/0.44.0] 2023-11-16

Removed

• Remove the deprecated go.opentelemetry.io/otel/bridge/opencensus.NewTracer. (#4706)
• Remove the deprecated go.opentelemetry.io/otel/exporters/otlp/otlpmetric module. (#4707)
• Remove the deprecated go.opentelemetry.io/otel/example/view module. (#4708)
• Remove the deprecated go.opentelemetry.io/otel/example/fib module. (#4723)

Fixed

• Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#4719)
• Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#4719)

Commits

• 98b32a6 Release 1.21.0/0.44.0 (#4724)
• a27c53b Remove example/fib (#4723)
• 8ceba13 otlpmetrichttp otlptracehttp: Do not parse non-protobuf reponses (#4719)
• d968509 Update dependabot.yml (#4716)
• a2cb604 Remove the deprecated otlpmetric module (#4707)
• c8e60d1 Remove the deprecated view example (#4708)
• 27c5c73 Remove the deprecated NewTracer from OC bridge (#4706)
• 491d65c dependabot updates Mon Nov 13 07:28:44 UTC 2023 (#4712)
• ca2b22b Document PR commits preference in CONTRIBUTING.md (#4704)
• See full diff in compare view

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[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.