Release v1.7.0

[MrAlias]

Part of #2861

Added

• Add the go.opentelemetry.io/otel/semconv/v1.8.0 package. The package contains semantic conventions from the v1.8.0 version of the OpenTelemetry specification. (Add semconv/v1.8.0 #2763)
• Add the go.opentelemetry.io/otel/semconv/v1.9.0 package. The package contains semantic conventions from the v1.9.0 version of the OpenTelemetry specification. (Add semconv/v1.9.0 package #2792)
• Add the go.opentelemetry.io/otel/semconv/v1.10.0 package. The package contains semantic conventions from the v1.10.0 version of the OpenTelemetry specification. (Add semconv/v1.10.0 #2842)
• Added an in-memory exporter to metrictest to aid testing with a full SDK. (Create an Inmemory Exporter for test #2776)

Fixed

• Globally delegated instruments are unwrapped before delegating asynchronous callbacks. (Fix for delayed global registration #2784)
• Remove import of testing package in non-tests builds of the go.opentelemetry.io/otel package. (Don't import testing package in production builds #2786)

Changed

• The WithLabelEncoder option from the go.opentelemetry.io/otel/exporters/stdout/stdoutmetric package is renamed to WithAttributeEncoder. (Replace use of old term label with attribute #2790)
• The LabelFilterSelector interface from go.opentelemetry.io/otel/sdk/metric/processor/reducer is renamed to AttributeFilterSelector. The method included in the renamed interface also changed from LabelFilterFor to AttributeFilterFor. (Replace use of old term label with attribute #2790)
• The Metadata.Labels method from the go.opentelemetry.io/otel/sdk/metric/export package is renamed to Metadata.Attributes. Consequentially, the Record type from the same package also has had the embedded method renamed. (Replace use of old term label with attribute #2790)

Deprecated

• The Iterator.Label method in the go.opentelemetry.io/otel/attribute package is deprecated. Use the equivalent Iterator.Attribute method instead. (Replace use of old term label with attribute #2790)
• The Iterator.IndexedLabel method in the go.opentelemetry.io/otel/attribute package is deprecated. Use the equivalent Iterator.IndexedAttribute method instead. (Replace use of old term label with attribute #2790)
• The MergeIterator.Label method in the go.opentelemetry.io/otel/attribute package is deprecated. Use the equivalent MergeIterator.Attribute method instead. (Replace use of old term label with attribute #2790)

Removed

• Removed the Batch type from the go.opentelemetry.io/otel/sdk/metric/metrictest package. (Remove unneeded metrictest types #2864)
• Removed the Measurement type from the go.opentelemetry.io/otel/sdk/metric/metrictest package. (Remove unneeded metrictest types #2864)

[codecov]

Codecov Report

Merging #2869 (753d431) into main (776accd) will increase coverage by 0.0%.
The diff coverage is 100.0%.

@@          Coverage Diff          @@
##            main   #2869   +/-   ##
=====================================
  Coverage   75.7%   75.7%           
=====================================
  Files        179     179           
  Lines      11818   11818           
=====================================
+ Hits        8951    8953    +2     
+ Misses      2634    2632    -2     
  Partials     233     233           

Impacted Files	Coverage Δ
version.go	100.0% <100.0%> (ø)
sdk/trace/batch_span_processor.go	82.1% <0.0%> (+0.9%)	⬆️