Release 1.48.0 - Sam Init Support for XRay Tracing

Changes:

• feat: sam init support for x-ray tracing by @jonife in #3817
• fix: sam init schema integration tests by @mndeveci in #3839
• #3826: print the appropriate message for the nested stack by @stavros-zavrakas in #3827
• chore: store stack resources in memory by @moelasmar in #3832
• fix: deploy and init integration tests by @mndeveci in #3847
• chore: bump version to 1.48.0 by @mndeveci in #3848

New Contributors

• @stavros-zavrakas made their first contribution in #3827

Full Changelog: v1.47.0...v1.48.0

Hashes:

Filename	SHA256
aws-sam-cli-1.48.0.sierra.bottle.tar.gz	4d99a85e052326fc07245fd8a5982a1430d971ae6cb3d229ee96d91a8388ca0c
aws-sam-cli-1.48.0.x86_64_linux.bottle.tar.gz	32a8a6185ad52a5be7cb388fb86eaf701a2225c593e5c85f8094921d7bfaee7e
AWS_SAM_CLI_64_PY3.msi	9323c8bcd9e02f3b778ec537d2691497946f8cb088085a983d9b7b29d29d09fa
aws-sam-cli-linux-x86_64.zip	67c2009aeec76940bd9def0e5dfab2c1d16269fc632a90a976a2b3436d99bc99