chore: bump version to 1.60.1 aws#2978

Release 1.60.1 (to main)

Merge pull request aws#2962 from aws/release-v1.60.0

Release 1.60.0 (to main)

Merge pull request aws#2870 from aws/release-v1.59.0

Release 1.59.0 (to main)

Merge pull request aws#2810 from hot-patch-is_str

chore: Add back samtranslator.model.types.is_str for compatibility

Merge pull request aws#2807 from aws/release-v1.58.0

Release 1.58.0 (to main)

Merge branch 'release-v1.57.0'

Merge branch 'release-v1.56.0'

Merge branch 'release-v1.55.0'

Merge branch 'release-v1.54.0'

Merge branch 'release-v1.53.0' into main