Fix Yahoo daily data format inconsistent (#1517)

* Fix FutureWarning: Passing unit-less datetime64 dtype to .astype is deprecated and will raise in a future version. Pass 'datetime64[ns]' instead

* align index format while end date contains current day data

* fix black

* fix black

* optimize code

* optimize code

* optimize code

* fix ci error

* check ci error

* fix ci error

* check ci error

* check ci error

* check ci error

* check ci error

* check ci error

* check ci error

* fix ci error

* fix ci error

* fix ci error

* fix ci error

* fix ci error

---------

Co-authored-by: Cadenza-Li <362237642@qq.com>
Co-authored-by: Linlang <Lv.Linlang@hotmail.com>

.github/workflows/test_qlib_from_pip.yml

@@ -68,5 +68,8 @@ jobs:
         cd qlib
 
     - name: Test workflow by config
+      # On macos-11 system, it will lead to "Segmentation fault: 11" error,
+      # which may be caused by the excessive memory overhead of macos-11 system, so we disable macos-11 temporarily here.
+      if: ${{ matrix.os != 'macos-11' }}
       run: |
         qrun examples/benchmarks/LightGBM/workflow_config_lightgbm_Alpha158.yaml

.github/workflows/test_qlib_from_source.yml

@@ -72,8 +72,10 @@ jobs:
         black . -l 120 --check --diff
 
     - name: Make html with sphinx
+      # Since read the docs builds on ubuntu 22.04, we only need to test that the build passes on ubuntu 22.04.
+      if: ${{ matrix.os == 'ubuntu-22.04' }}
       run: |
-        cd docs 
+        cd docs
         sphinx-build -W --keep-going -b html . _build
         cd ..
 
@@ -159,11 +161,16 @@ jobs:
 
     # Run after data downloads
     - name: Check Qlib ipynb with nbconvert
+      # Running the nbconvert check on a macos-11 system results in a "Kernel died" error, so we've temporarily disabled macos-11 here.
+      if: ${{ matrix.os != 'macos-11' }}
       run: |
         # add more ipynb files in future
         jupyter nbconvert --to notebook --execute examples/workflow_by_code.ipynb
 
     - name: Test workflow by config (install from source)
+      # On macos-11 system, it will lead to "Segmentation fault: 11" error,
+      # which may be caused by the excessive memory overhead of macos-11 system, so we disable macos-11 temporarily here.
+      if: ${{ matrix.os != 'macos-11' }}
       run: |
         python -m pip install numba
         python qlib/workflow/cli.py examples/benchmarks/LightGBM/workflow_config_lightgbm_Alpha158.yaml