test(deps): update dependency vendir to v0.42.0

[renovate]

This PR contains the following updates:

Package	Update	Change
vendir	minor	v0.41.1 -> v0.42.0
vendir	minor	0.41.1 -> 0.42.0

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Release Notes

vmware-tanzu/carvel-vendir (vendir)

v0.42.0

Compare Source

Installation and signature verification

Installation

By downloading binary from the release

For instance, if you are using Linux on an AMD64 architecture:

##### Download the binary
curl -LO https://github.com/carvel-dev/vendir/releases/download/v0.42.0/vendir-linux-amd64

##### Move the binary in to your PATH
mv vendir-linux-amd64 /usr/local/bin/vendir

##### Make the binary executable
chmod +x /usr/local/bin/vendir

Via Homebrew (macOS or Linux)

$ brew tap carvel-dev/carvel
$ brew install vendir
$ vendir version  

Verify checksums file signature

Install cosign on your system https://docs.sigstore.dev/system_config/installation/

The checksums file provided within the artifacts attached to this release is signed using Cosign with GitHub OIDC. To validate the signature of this file, run the following commands:

##### Download the checksums file, certificate and signature
curl -LO https://github.com/carvel-dev/vendir/releases/download/v0.42.0/checksums.txt
curl -LO https://github.com/carvel-dev/vendir/releases/download/v0.42.0/checksums.txt.pem
curl -LO https://github.com/carvel-dev/vendir/releases/download/v0.42.0/checksums.txt.sig

##### Verify the checksums file
cosign verify-blob checksums.txt \
  --certificate checksums.txt.pem \
  --signature checksums.txt.sig \
  --certificate-identity-regexp=https://github.com/carvel-dev \
  --certificate-oidc-issuer=https://token.actions.githubusercontent.com

Verify binary integrity

To verify the integrity of the downloaded binary, you can utilize the checksums file after having validated its signature.

##### Verify the binary using the checksums file
sha256sum -c checksums.txt --ignore-missing

Changelog

• 064b9c4 Allow additional CA certs to be supplied via vendir YAML when pulling an imgpkg bundle by @​100mik
• f6eaffe fix: avoid panic by checking response for nil by @​Zebradil

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