chore: Fix CI failures due to new rust toolchain

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>[Bug]: CI failures</issue_title>
<issue_description>### What happened?

Ci failure probably because of new rust toolchain:

Error 1:

Checking opentelemetry-appender-tracing v0.31.0 (/home/runner/work/opentelemetry-rust/opentelemetry-rust/opentelemetry-appender-tracing)
Checking arrayvec v0.7.6
Compiling anyhow v1.0.102
Checking num-format v0.4.4
Compiling itertools v0.14.0
Compiling thiserror v1.0.69
Checking futures v0.3.32
Compiling thiserror-impl v1.0.69
Compiling prost-derive v0.14.1
Checking half v2.4.1
Checking ciborium-io v0.2.2
Checking clap_lex v1.0.1
Checking anstyle v1.0.14
Checking plotters-backend v0.3.7
Checking clap_builder v4.5.61
Checking plotters-svg v0.3.7
Checking ciborium-ll v0.2.2
Checking itertools v0.10.5
Checking is-terminal v0.4.17
Checking same-file v1.0.6
Checking cast v0.3.0
Checking walkdir v2.5.0
Checking ciborium v0.2.2
Checking clap v4.5.61
Checking criterion-plot v0.5.0
Checking plotters v0.3.7
Checking tinytemplate v1.2.1
Compiling zstd-sys v2.0.16+zstd.1.5.7
Checking anes v0.1.6
Checking oorandom v11.1.5
Checking criterion v0.5.1
Compiling rustversion v1.0.22
Compiling zstd-safe v7.2.4
Compiling crc32fast v1.5.0
Checking fastrand v2.3.0
Checking tempfile v3.27.0
Checking prost v0.14.1
Checking axum-core v0.5.2
Compiling pin-project-internal v1.1.11
Compiling version_check v0.9.5
Checking matchit v0.8.4
Compiling ahash v0.8.12
Checking axum v0.8.4
Checking pin-project v1.1.11
Checking flate2 v1.1.9
Checking chrono v0.4.44
Checking hyper-timeout v0.5.2
Compiling cpp_demangle v0.4.5
Compiling object v0.36.7
Checking debugid v0.8.0
Compiling equator-macro v0.4.2
Compiling findshlibs v0.10.2
Checking memmap2 v0.9.10
Checking rustc-demangle v0.1.27
Checking gimli v0.31.1
Compiling symbolic-demangle v12.15.5
Checking bytemuck v1.25.0
Checking rgb v0.8.53
Checking symbolic-common v12.15.5
Checking equator v0.4.2
Checking addr2line v0.24.2
Checking quick-xml v0.26.0
Checking str_stack v0.1.0
Checking bitflags v1.3.2
Compiling pprof v0.14.1
Checking nix v0.26.4
Checking inferno v0.11.21
Checking aligned-vec v0.6.4
Checking spin v0.10.0
Checking backtrace v0.3.74
Compiling serde_derive_internals v0.29.1
Compiling winnow v0.7.15
Compiling schemars v0.8.22
Compiling semver v1.0.27
Compiling rustc_version v0.4.1
Compiling schemars_derive v0.8.22
Compiling toml_parser v1.0.2
Checking temp-env v0.3.6
Compiling toml_datetime v0.7.1
Checking cpufeatures v0.2.17
Checking dyn-clone v1.0.20
Checking const-hex v1.18.1
Compiling toml_edit v0.23.5
Compiling rstest_macros v0.23.0
Compiling prettyplease v0.2.37
Compiling cfg_aliases v0.2.1
Compiling pulldown-cmark v0.13.1
Compiling nix v0.31.2
Compiling proc-macro-crate v3.4.0
Compiling relative-path v1.9.3
Compiling glob v0.3.3
Checking futures-timer v3.0.3
Compiling ident_case v1.0.1
Compiling strsim v0.11.1
Compiling darling_core v0.21.3
Checking zstd v0.13.3
Checking ctrlc v3.5.2
Checking sysinfo v0.32.1
Checking num_cpus v1.17.0
Checking opentelemetry-semantic-conventions v0.31.0 (/home/runner/work/opentelemetry-rust/opentelemetry-rust/opentelemetry-semantic-conventions)
Compiling structmeta-derive v0.3.0
Checking rstest v0.23.0
Compiling darling_macro v0.21.3
Checking rustls-pemfile v2.2.0
Compiling serde_repr v0.1.20
Compiling darling v0.21.3
Compiling serde_with_macros v3.14.1
Compiling structmeta v0.3.0
Checking hex v0.4.3
Compiling unicase v2.9.0
Checking home v0.5.9
Checking serde_with v3.14.1
Checking hyperlocal v0.9.1
Checking bollard-stubs v1.45.0-rc.26.0.1
Compiling parse-display-derive v0.9.1
Checking rustls-native-certs v0.7.3
Checking xattr v1.6.1
Checking filetime v0.2.27
Compiling fixedbitset v0.5.7
Checking base64 v0.21.7
Checking docker_credential v1.3.2
Compiling petgraph v0.7.1
Checking parse-display v0.9.1
Checking tokio-tar v0.3.1
Compiling prost-types v0.14.1
Compiling pulldown-cmark-to-cmark v21.1.0
Checking etcetera v0.8.0
Compiling multimap v0.10.1
Compiling prost-build v0.14.1
Compiling tonic-build v0.14.5
Compiling ctor v0.2.9
Compiling tonic-prost-build v0.14.5
Compiling tracing-grpc v0.1.0 (/home/runner/work/opentelemetry-rust/opentelemetry-rust/examples/tracing-grpc)
Compiling typed-builder-macro v0.20.1
Checking opentelemetry-appender-log v0.31.0 (/home/runner/work/opentelemetry-rust/opentelemetry-rust/opentelemetry-appender-log)
Checking opentelemetry-jaeger-propagator v0.31.0 (/home/runner/work/opentelemetry-rust/opentelemetry-rust/opentelemet...

• Fixes [Bug]: CI failures #3430

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.2%. Comparing base (9650783) to head (3c46175).

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #3431   +/-   ##
=====================================
  Coverage   83.2%   83.2%           
=====================================
  Files        128     128           
  Lines      25045   25045           
=====================================
+ Hits       20858   20859    +1     
+ Misses      4187    4186    -1     

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