Update build.sh so opentelemetry-opencensus-shim gets published

[aabmass]

Description

"Reverts" #3227 so that the opentelemetry-opencensus-shim package gets published. This package was name-squatted on PyPI but we got it back and own it.

Part of #3203

Type of change

Please delete options that are not relevant.

How Has This Been Tested?

Manually tested the glob pattern with

for d in opentelemetry-api/ opentelemetry-sdk/ opentelemetry-proto/ opentelemetry-semantic-conventions/ exporter/*/ shim/*/ propagator/*/ tests/opentelemetry-test-utils/; do echo $d; done | grep opentelemetry-opencensus-shim
shim/opentelemetry-opencensus-shim/

Does This PR Require a Contrib Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated