Use older @opentelemetry/core for v12 compatibility

[Qard]

What does this PR do?

Makes OTel backportable to 2.x and 3.x.

Motivation

Much easier release process if we can land OTel across all release lines.

[github-actions]

Overall package size

Self size: 4.31 MB
Deduped: 60.66 MB
No deduping: 60.7 MB

Dependency sizes

name	version	self size	total size
@datadog/pprof	2.2.1	14.24 MB	15.12 MB
@datadog/native-iast-taint-tracking	1.4.1	14.85 MB	14.86 MB
@datadog/native-appsec	3.2.0	13.38 MB	13.39 MB
protobufjs	7.1.2	2.76 MB	6.55 MB
@datadog/native-iast-rewriter	2.0.1	2.09 MB	2.1 MB
@opentelemetry/core	1.3.1	784.66 kB	1.37 MB
@datadog/native-metrics	2.0.0	898.77 kB	1.3 MB
@opentelemetry/api	1.4.1	780.32 kB	780.32 kB
opentracing	0.14.7	194.81 kB	194.81 kB
semver	7.3.8	88.2 kB	118.6 kB
@datadog/sketches-js	2.1.0	109.9 kB	109.9 kB
lodash.sortby	4.7.0	75.76 kB	75.76 kB
lru-cache	7.14.0	74.95 kB	74.95 kB
ipaddr.js	2.0.1	59.52 kB	59.52 kB
ignore	5.2.0	48.87 kB	48.87 kB
import-in-the-middle	1.3.5	34.34 kB	38.81 kB
istanbul-lib-coverage	3.2.0	29.34 kB	29.34 kB
retry	0.10.1	27.44 kB	27.44 kB
lodash.uniq	4.5.0	25.01 kB	25.01 kB
limiter	1.1.5	23.17 kB	23.17 kB
lodash.kebabcase	4.1.1	17.75 kB	17.75 kB
lodash.pick	4.4.0	16.33 kB	16.33 kB
node-abort-controller	3.0.1	14.33 kB	14.33 kB
crypto-randomuuid	1.0.0	11.18 kB	11.18 kB
diagnostics_channel	1.1.0	7.07 kB	7.07 kB
path-to-regexp	0.1.7	6.78 kB	6.78 kB
koalas	1.0.2	6.47 kB	6.47 kB
methods	1.1.2	5.29 kB	5.29 kB
module-details-from-path	1.0.3	4.47 kB	4.47 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[pr-commenter]

Benchmarks

Comparing candidate commit 55f08ab in PR branch otel-v12-fix with baseline commit 5cdcf0e in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 443 metrics, 29 unstable metrics.

[codecov]

Codecov Report

Merging #3233 (55f08ab) into master (5cdcf0e) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #3233   +/-   ##
=======================================
  Coverage   86.02%   86.03%           
=======================================
  Files         189      189           
  Lines        7422     7424    +2     
  Branches       33       33           
=======================================
+ Hits         6385     6387    +2     
  Misses       1037     1037           

Impacted Files	Coverage Δ
packages/dd-trace/src/opentelemetry/span.js	92.45% <100.00%> (+0.29%)	⬆️

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