add opentelemetry-instrumentation-api 2.21.0

[hboutemy]

https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/io/opentelemetry/instrumentation/README.md

[github-actions]

• io.opentelemetry.instrumentation:opentelemetry-instrumentation 2.21.0

./rebuild.sh content/io/opentelemetry/instrumentation/opentelemetry-2.21.0.buildspec

version=2.21.0
ok=1170
ko=2
koFiles="opentelemetry-javaagent-2.21.0-spdx.json opentelemetry-testing-common-2.21.0-alpha-sources.jar"
# diffoscope central/io/opentelemetry/javaagent/opentelemetry-javaagent/2.21.0/opentelemetry-javaagent-2.21.0-spdx.json repository/io/opentelemetry/javaagent/opentelemetry-javaagent/2.21.0/opentelemetry-javaagent-2.21.0-spdx.json
# diffoscope central/io/opentelemetry/javaagent/opentelemetry-testing-common/2.21.0-alpha/opentelemetry-testing-common-2.21.0-alpha-sources.jar repository/io/opentelemetry/javaagent/opentelemetry-testing-common/2.21.0-alpha/opentelemetry-testing-common-2.21.0-alpha-sources.jar
stabilize_ok=0
stabilize_ko=1
stabilize_ignored=1
stabilize_koFiles="opentelemetry-testing-common-2.21.0-alpha-sources.jar.stabilized"
stabilize_ignoredFiles="opentelemetry-javaagent-2.21.0-spdx.json"

🔍 diffoscope analysis uploaded to https://github.com/jvm-repo-rebuild/reproducible-central/actions/runs/19223891624

docker run --rm --name rebuild-central
	30:50.20 real,	0.21 user,	0.27 sys