ENH: Add first and last aggregations to Rolling and Expanding #21412

Job	Run time
Pyodide build	15m 23s
Linux-32-bit	15m 27s
Linux-Musl	15m 21s
python-freethreading	15m 29s
python-dev (macOS-14)	11m 19s
python-dev (macOS-13)	15m 20s
python-dev (ubuntu-22.04)	15m 24s
python-dev (windows-latest)	15m 20s
macos-13 actions-310.yaml	15m 17s
macos-13 actions-311.yaml	15m 22s
macos-13 actions-312.yaml	15m 18s
macos-14 actions-310.yaml	15m 25s
macos-14 actions-311.yaml	15m 44s
macos-14 actions-312.yaml	15m 25s
windows-latest actions-311.yaml	15m 19s
windows-latest actions-312.yaml	15m 19s
windows-latest actions-310.yaml	15m 21s
ubuntu-latest actions-310.yaml	15m 24s
Minimum Versions	15m 29s
ubuntu-latest actions-311.yaml	15m 24s
Future infer strings (without pyarrow)	15m 26s
Locale: zh_CN	15m 26s
Locale: it_IT	15m 26s
Downstream Compat	5m 58s
Numpy Dev	15m 43s
Pyarrow Nightly	15m 42s
ubuntu-latest actions-312.yaml	15m 24s
Pypy	1m 11s
Future infer strings	15m 25s
	6h 59m 31s

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