feat(cli): Bump version to 1.30.0 (sqlc-dev#4086)

* Update examples for 1.30.0

* Update tests for v1.30.0

* Update version to v1.30.0

feat(cli): Bump version to 1.29.0 (sqlc-dev#3931)

* Disable language tests for now

* Update examples

* Update testdata

* Update the rest

feat(cli): Bump version from 1.27.0 to 1.28.0 (sqlc-dev#3798)

* Update endtoend testdata

* Update examples

* Update the rest

feat(cli): Bump version from 1.26.0 to 1.27.0 (sqlc-dev#3526)

* Update endtoend testdata

* Update examples

* Update the rest

feat(sqlc): Bump to version v1.26.0 (sqlc-dev#3302)

* chore: Update testdata for 1.26.0

* chore: Update examples for 1.26.0

* feat: Bump version to 1.26.0

feat(sqlc): Bump to version v1.25.0 (sqlc-dev#3102)

* feat(sqlc): Bump to version v1.25.0

* test: Update testdata for version v1.25.0

* docs: Update examples for version v1.25.0

docs: Update examples for version v1.24.0

feat(sqlc): Bump to version v1.23.0

cmd/sqlc: Bump version to v1.22.0 (sqlc-dev#2776)

cmd/sqlc: Bump version to v1.21.0 (sqlc-dev#2705)

* Regenerate test and example output

* Fix bump-version script

* cmd/sqlc: Bump version to v1.21.0