chore(deps): update pem requirement from 3.0.6 to 4.0.0 in /AwsEncryptionSDK/runtimes/rust

[dependabot]

Updates the requirements on pem to permit the latest version.

Changelog

Sourced from pem's changelog.

3.0.6

• switch from serde to serde_core

3.0.5

• updated base version in the docs

3.0.4

• updated base64 to 0.22.0

3.0.3

• allow general whitespace separators instead of just newlines

3.0.2

• allow EncodeConfig to be built in a const context

3.0.1

• reduce allocations in pem::encode

3.0.0

• trim proptest features to prevent an MSRV break for testing
• make EncodeConfig struct extendable and add a line_wrap config option

2.0.1

• Fix serde support on no_std
• Drop MSRV to 1.60

2.0

• Add no_std support
• Bump MSRV to 1.67
• Refactor API to prevent direct modification and access of elements and to allow access to the optional rfc1421-described headers.

1.1.1

• Allow PEM files to be parsed with the optional rfc1421-described headers (although you cannot retrieve the headers)

1.1.0

• Add optional serde support

1.0.2

• Remove dependency on Regex in favor of a hand-rolled parser

1.0.1

• hide the ASCII_ARMOR symbol to work around a linking issue with 32-bit windows builds

1.0

... (truncated)

Commits

• 99c15c0 chore: Release pem version 4.0.0
• 1733573 Merge pull request #66 from alex/patch-1
• ee57363 raise msrv for testing to 1.71
• a307fde raise msrv to 1.71
• 2b2ad45 upgrade base64 to 0.23
• 4e28c91 Merge pull request #65 from alexanderkjall/upgrade-criterion
• e87f773 upgrade criterion to 0.8
• See full diff in compare view

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