chore(deps): update apache/beam_python3.8_sdk docker tag to v2.32.0 (GoogleCloudPlatform#6613)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| apache/beam_python3.8_sdk | final | minor | `2.31.0` -> `2.32.0` |

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dataflow/gpu-examples/pytorch-minimal/Dockerfile

@@ -30,5 +30,5 @@ RUN apt-get update \
     && pip check
 
 # Set the entrypoint to Apache Beam SDK worker launcher.
-COPY --from=apache/beam_python3.8_sdk:2.31.0 /opt/apache/beam /opt/apache/beam
+COPY --from=apache/beam_python3.8_sdk:2.32.0 /opt/apache/beam /opt/apache/beam
 ENTRYPOINT [ "/opt/apache/beam/boot" ]

dataflow/gpu-examples/tensorflow-landsat/Dockerfile

@@ -37,5 +37,5 @@ RUN apt-get update \
     && pip check
 
 # Set the entrypoint to Apache Beam SDK worker launcher.
-COPY --from=apache/beam_python3.8_sdk:2.31.0 /opt/apache/beam /opt/apache/beam
+COPY --from=apache/beam_python3.8_sdk:2.32.0 /opt/apache/beam /opt/apache/beam
 ENTRYPOINT [ "/opt/apache/beam/boot" ]

dataflow/gpu-examples/tensorflow-minimal/Dockerfile

@@ -37,5 +37,5 @@ RUN apt-get update \
     && pip check
 
 # Set the entrypoint to Apache Beam SDK worker launcher.
-COPY --from=apache/beam_python3.8_sdk:2.31.0 /opt/apache/beam /opt/apache/beam
+COPY --from=apache/beam_python3.8_sdk:2.32.0 /opt/apache/beam /opt/apache/beam
 ENTRYPOINT [ "/opt/apache/beam/boot" ]