RHAIENG-948: fix(ppc): build failure due to missing zlib-devel to build pillow

```

      line 20, in run_setup
          return super().run_setup(setup_script)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File
      "/tmp/.tmpoAXecA/builds-v0/.tmpeN0QF3/lib64/python3.12/site-packages/setuptools/build_meta.py",
      line 317, in run_setup
          exec(code, locals())
        File "<string>", line 1108, in <module>
      RequiredDependencyException:
      The headers or library files could not be found for zlib,
      a required dependency when compiling Pillow from source.
```

Author: jiridanek

jupyter/datascience/ubi9-python-3.12/Dockerfile.cpu

@@ -386,6 +386,14 @@ else
 fi
 EOF
 
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
+if [ "${TARGETARCH}" = "ppc64le" ]; then
+  # required to compile pillow
+  dnf install -y zlib-devel
+fi
+EOF
+
 USER 1001:0
 
 # Install Python packages and Jupyterlab extensions from pylock.toml

jupyter/datascience/ubi9-python-3.12/Dockerfile.konflux.cpu

@@ -380,6 +380,14 @@ else
 fi
 EOF
 
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
+if [ "${TARGETARCH}" = "ppc64le" ]; then
+  # required to compile pillow
+  dnf install -y zlib-devel
+fi
+EOF
+
 USER 1001:0
 
 # Install Python packages and Jupyterlab extensions from pylock.toml