julia ^1.6, EKP ^0.8

[odunbar]

Purpose

• Remove ^0.8 for EKP in Project toml as this is default behaviour
• Change ~1.6 to 1.6 to widen Julia compat

[codecov]

Codecov Report

Merging #157 (480e9ec) into master (356f29c) will not change coverage.
The diff coverage is n/a.

❗ Current head 480e9ec differs from pull request most recent head 738487d. Consider uploading reports for the commit 738487d to get more accurate results

@@           Coverage Diff           @@
##           master     #157   +/-   ##
=======================================
  Coverage   88.71%   88.71%           
=======================================
  Files           4        4           
  Lines         381      381           
=======================================
  Hits          338      338           
  Misses         43       43           

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[odunbar]

bors r+

[bors]

Build succeeded:

• buildkite/calibrateemulatesample-ci
• docs-build
• test-linux
• test-macos
• test-windows