chore(deps): update actions/checkout action to v6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

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Configuration

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Slowest examples

Top 10 slowest examples (0.02 seconds, 73% of total time)

Example	Description	Time in seconds
spec/libraries/certificate_helpers_spec.rb:15	Java::Cookbook::CertificateHelpers#default_truststore_path Java 9 returns the correct path	0.01245
spec/libraries/corretto_helpers_spec.rb:79	Java::Cookbook::CorrettoHelpers#default_bin_cmds Corretto 11 returns the correct bin command array	0.00596
spec/libraries/corretto_helpers_spec.rb:20	Java::Cookbook::CorrettoHelpers#default_corretto_url Corretto 11 x64 returns the correct URL	0.00316
spec/libraries/openjdk_helpers_spec.rb:32	Java::Cookbook::OpenJdkHelpers#default_openjdk_url Invalid OpenJDK version should raise an error	0.00048
spec/libraries/corretto_helpers_spec.rb:149	Java::Cookbook::CorrettoHelpers#default_bin_cmds #corretto_sub_dir No full_version passed for Corretto 18 x64 returns the default directory value for Corrretto 18 x64	0.00044
spec/libraries/corretto_helpers_spec.rb:38	Java::Cookbook::CorrettoHelpers#default_corretto_url Corretto 18 x64 returns the correct URL	0.00043
spec/libraries/corretto_helpers_spec.rb:158	Java::Cookbook::CorrettoHelpers#default_bin_cmds #corretto_sub_dir No full_version passed for Corretto 18 aarch64 returns the default directory value for Corrretto 18 aarch64	0.00042
spec/libraries/corretto_helpers_spec.rb:113	Java::Cookbook::CorrettoHelpers#default_bin_cmds #corretto_sub_dir No full_version passed for Corretto 11 x64 returns the default directory value for Corrretto 11 x64	0.00042
spec/libraries/corretto_helpers_spec.rb:131	Java::Cookbook::CorrettoHelpers#default_bin_cmds #corretto_sub_dir No full_version passed for Corretto 17 x64 returns the default directory value for Corrretto 17 x64	0.00041
spec/libraries/openjdk_helpers_spec.rb:114	Java::Cookbook::OpenJdkHelpers#default_openjdk_install_method Debian 10 OpenJDK 11 should default to a package install	0.0004