devel/py-opentelemetry-api: Fix build after 267ace101ce1bdde92a62a33317a52a04418b551, 0334fba7b6dd56af05e67d6c425c20a7904be373 and 902a72a31489a3432146847a7b2dc0480a24c4a0

• Bump PORTREVISION for package change

Obtained from: https://github.com/open-telemetry/opentelemetry-python/commit/21f4a20b656cc5aecd9d51b2f2d765316d16be30

		https://github.com/open-telemetry/opentelemetry-python/commit/19e0a092765a0b64cbd993bc10bb5e994947198e