ENH: Add first and last aggregations to Rolling and Expanding #21407

Job	Run time
Linux-32-bit	19m 56s
Linux-Musl	21m 46s
python-dev (macOS-13)	33m 12s
python-dev (macOS-14)	11m 28s
python-dev (ubuntu-22.04)	20m 33s
python-dev (windows-latest)	24m 0s
python-freethreading	23m 9s
Pyodide build	25m 9s
macos-13 actions-310.yaml	37m 37s
macos-13 actions-311.yaml	33m 20s
macos-13 actions-312.yaml	44m 24s
macos-14 actions-310.yaml	20m 42s
macos-14 actions-311.yaml	16m 0s
macos-14 actions-312.yaml	23m 6s
windows-latest actions-311.yaml	38m 3s
windows-latest actions-312.yaml	44m 12s
windows-latest actions-310.yaml	32m 7s
ubuntu-latest actions-310.yaml	44m 15s
Minimum Versions	23m 13s
ubuntu-latest actions-311.yaml	40m 27s
Future infer strings (without pyarrow)	39m 35s
Locale: it_IT	23m 16s
Downstream Compat	5m 53s
Numpy Dev	16m 44s
Locale: zh_CN	23m 42s
Pyarrow Nightly	19m 53s
ubuntu-latest actions-312.yaml	44m 15s
Future infer strings	44m 16s
Pypy	1m 19s
	13h 15m 32s

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