Update Rust crate rusoto_credential to 0.48.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rusoto_credential	dependencies	minor	0.45.0 -> 0.48.0

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Release Notes

rusoto/rusoto

v0.48.0

• Remove macie, mobile, and worklink services, which have had their DNS records removed
• Add support for ap-southeast-3, Asia Pacific (Jakarta)
• Add Clone derived trait to TlsError
• Allow the user to choose between rustls and rustls-webpki, and make only the former depend on native cert support
• Update hyper-rustls to 0.23

v0.47.0

• Update to botocore 1.20.102
• Update to serde_urlencoded 0.7
• Update to rustc_version 0.4
• Update to shlex 1.0
• Update to hmac 0.4
• Replace time-related types in rusoto_signature with chrono types, to
  match rusoto_credential
• Swap the non-RustCrypto md5 crate for the RustCrypto md-5 crate, to match
  usage of RustCrypto sha2 crate
• Remove Sync constraint on ByteStream-related functions.
• Update incorrect minimum versions of async-trait, percent-encoding, and
  serde
• Avoid unnecessary calls to to_string
• Remove unpublished and outdated helpers crate

v0.46.0

• Display rusoto_core::Client in docs
• Fix unsoundness in rusoto_mock::MultipleMockRequestDispatcher
• Add ability to set local agent appended to the default User-Agent
• Update to base64 0.13
• Update to bytes 1.0
• Update to hmac 0.10
• Update to hyper-rustls 0.22
• Update to hyper-tls 0.5
• Update to hyper 0.14
• Update to tokio 1.0
• Update to botocore 1.19.42
• Swap the unmaintained dirs crate for its replacement dirs-next
• Swap pin-project for the lighter weight pin-project-lite
• Disable chrono's oldtime feature
• Remove dependency on regex

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