upgrade pyarrow-hotfix to 0.7 (#52730)

Upgrade `pyarrow-hotfix` to fix compatibility issue with the latest
pyarrow nightly. See pitrou/pyarrow-hotfix#8

Signed-off-by: Hao Chen <[email protected]>

Author: raulchen

doc/source/ray-overview/pip_freeze_ray-ml-py39-cpu.txt

@@ -304,7 +304,7 @@ pure-eval==0.2.2
 py-cpuinfo==9.0.0
 py-spy==0.4.0
 pyarrow==14.0.2
-pyarrow-hotfix==0.6
+pyarrow-hotfix==0.7
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
 pycosat @ file:///home/conda/feedstock_root/build_artifacts/pycosat_1732588390546/work

python/requirements_compiled.txt

@@ -1602,7 +1602,7 @@ pyarrow==14.0.2
     #   pylance
     #   raydp
     #   triad
-pyarrow-hotfix==0.6
+pyarrow-hotfix==0.7
     # via
     #   datasets
     #   deltalake

release/ray_release/byod/requirements_ml_byod_3.9.txt

@@ -2731,7 +2731,7 @@ pyarrow==14.0.2 \
     #   datasets
     #   petastorm
     #   triad
-pyarrow-hotfix==0.6 \
+pyarrow-hotfix==0.7 \
     --hash=sha256:79d3e030f7ff890d408a100ac16d6f00b14d44a502d7897cd9fc3e3a534e9945 \
     --hash=sha256:dcc9ae2d220dff0083be6a9aa8e0cdee5182ad358d4931fce825c545e5c89178
     # via