[PSM Interop] Pip freeze breaks down into requirements and their deps (#33426)

This is a no-op, just reordering `requirements.lock`.

By providing `-r requirements.txt` to `pip freeze` it's able to break up
dependencies required via `requirements.txt`, and sub-dependencies
installed to satisfy them.

tools/run_tests/xds_k8s_test_driver/bin/freeze.sh

@@ -22,6 +22,7 @@ readonly VENV_NAME
 python3 -m virtualenv "${VENV_NAME}"
 
 "${VENV_NAME}"/bin/pip install -r requirements.txt
-"${VENV_NAME}"/bin/pip freeze > requirements.lock
+"${VENV_NAME}"/bin/pip freeze --require-virtualenv --local -r requirements.txt \
+  > requirements.lock
 
 rm -rf "${VENV_NAME}"

tools/run_tests/xds_k8s_test_driver/requirements.lock

@@ -1,40 +1,41 @@
+Mako==1.2.4
+PyYAML==5.4.1
 absl-py==0.15.0
+google-api-python-client==1.12.11
+google-cloud-secret-manager==2.15.1
+grpcio==1.51.1
+grpcio-health-checking==1.48.2
+grpcio-tools==1.48.2
+grpcio-channelz==1.48.2
+kubernetes==25.3.0
+six==1.16.0
+tenacity==6.3.1
+packaging==21.3
+Pygments==2.14.0
+python-dateutil==2.8.2
+protobuf==3.20.3
+xds-protos==0.0.11
+## The following requirements were added by pip freeze:
 cachetools==5.3.0
 certifi==2022.12.7
 charset-normalizer==3.0.1
 google-api-core==2.11.0
-google-api-python-client==1.12.11
 google-auth==2.16.0
 google-auth-httplib2==0.1.0
-google-cloud-secret-manager==2.15.1
 googleapis-common-protos==1.58.0
 grpc-google-iam-v1==0.12.6
-grpcio==1.51.1
-grpcio-channelz==1.48.2
-grpcio-health-checking==1.48.2
 grpcio-status==1.48.2
-grpcio-tools==1.48.2
 httplib2==0.21.0
 idna==3.4
-kubernetes==25.3.0
-Mako==1.2.4
 MarkupSafe==2.1.2
 oauthlib==3.2.2
-packaging==21.3
 proto-plus==1.22.2
-protobuf==3.20.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
-Pygments==2.14.0
 pyparsing==3.0.9
-python-dateutil==2.8.2
-PyYAML==5.4.1
 requests==2.28.2
 requests-oauthlib==1.3.1
 rsa==4.9
-six==1.16.0
-tenacity==6.3.1
 uritemplate==3.0.1
 urllib3==1.26.14
 websocket-client==1.5.1
-xds-protos==0.0.11