ci: Add support to test Python 3.14.0b3

Signed-off-by: Cagri Yonca <cagri@ibm.com>

Author: CagriYonca

.tekton/pipeline.yaml

@@ -38,8 +38,8 @@ spec:
               - "sha256:4ea730e54e2a87b716ffc58a426bd627baa182a3d4d5696d05c1bca2dde775aa"
               # public.ecr.aws/docker/library/python:3.13.3-bookworm
               - "sha256:07bf1bd38e191e3ed18b5f3eb0006d5ab260cb8c967f49d3bf947e5c2e44d8a9"
-              # public.ecr.aws/docker/library/python:3.14.0b2-bookworm
-              - "sha256:4f8ae0a7847680b269d8ef51528053b2cfc9242377f349cbc3a36eacf579903f"
+              # public.ecr.aws/docker/library/python:3.14.0b3-bookworm
+              - "sha256:b8dcb43514c83ac43f20ac2dbfc41cecb0c2f6cad076a285ed8e33ac8a929779"
       taskRef:
         name: python-tracer-unittest-default-task
       workspaces:

.tekton/python-tracer-prepuller.yaml

@@ -74,8 +74,8 @@ spec:
           image: public.ecr.aws/docker/library/python@sha256:07bf1bd38e191e3ed18b5f3eb0006d5ab260cb8c967f49d3bf947e5c2e44d8a9
           command: ["sh", "-c", "'true'"]
         - name: prepuller-314
-          # public.ecr.aws/docker/library/python:3.14.0b2-bookworm
-          image: public.ecr.aws/docker/library/python@sha256:4f8ae0a7847680b269d8ef51528053b2cfc9242377f349cbc3a36eacf579903f
+          # public.ecr.aws/docker/library/python:3.14.0b3-bookworm
+          image: public.ecr.aws/docker/library/python@sha256:b8dcb43514c83ac43f20ac2dbfc41cecb0c2f6cad076a285ed8e33ac8a929779
           command: ["sh", "-c", "'true'"]
 
       # Use the pause container to ensure the Pod goes into a `Running` phase

Dockerfile-py3140

@@ -1,4 +1,4 @@
-FROM public.ecr.aws/docker/library/python:3.14.0b2
+FROM public.ecr.aws/docker/library/python:3.14.0b3
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \