v1.0.0

BandedMatrices v1.0.0

Diff since v0.17.38

Merged pull requests:

• triangular rot180 (#257) (@dlfivefifty)
• Bump actions/checkout from 3 to 4 (#401) (@dependabot[bot])
• Test with Aqua v0.7 (#402) (@jishnub)
• Make BandedMatrix immutable (#403) (@dlfivefifty)

Closed issues:

• Why is BandedMatrix mutable? (#291)
• isbanded should not be exported (#357)