Merge pull request #161 from cockroachdb/davidh/add-errunsupported

errors: re-export ErrUnsupported from stdlib

Merge pull request #159 from denniszag/fix/sentry-go-v0.46-compat

report: migrate Event.Extra to Event.Contexts (sentry-go v0.46+ compat)

Merge pull request #152 from dhartunian/davidh/push-nzwovrxnkxmz

build: min supported version is go 1.23

Merge pull request #137 from brucexc/master

fix: Bump sentry-go dep to v0.27.0

Merge pull request #132 from testwill/pkg

chore: pkg import only once

Merge pull request #127 from dhartunian/downgrade-go-requirement-to-1.19

Downgrade go version requirement to 1.19

Merge pull request #121 from cockroachdb/go-1.20-upgrade

Upgrade to go 1.20 and add multi-cause error support

Remove all go 1.20 features from test usage

This commit removes all test code that references:
- go 1.20 `errors.Join` function.
- go 1.20 multi-cause `fmt.Errorf` that contain multiple `%w`
formatting directives.

This commit also reverts go.mod to use 1.17 to match the state of the
codebase from before the go 1.20 upgrade.

This allows older codebases to upgrade to a version of this library
that can encode/decode multi-cause errors from newer versions without
completely discarding the child cause error info.

Merge pull request #111 from knz/20230612-update-redact

Update the redact dependency.

Merge pull request #101 from knz/20230124-deps

Simplify dependencies.