Add regex flags to strings extract function

[davidwendt]

Add the regex_flags parameter to the strings extract() functions so that matching regex patterns is consistent other strings regex APIs.

This also renames the cudf::strings::extract_all API function to cudf::strings::extract_all_record to be consistent with the other _record APIs that return a List column. This is in anticipation of supporting extractall as requested in #7908

[codecov]

Codecov Report

Merging #10192 (a253b05) into branch-22.04 (a7d88cd) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@              Coverage Diff              @@
##           branch-22.04   #10192   +/-   ##
=============================================
  Coverage         10.42%   10.43%           
=============================================
  Files               119      122    +3     
  Lines             20603    20583   -20     
=============================================
- Hits               2148     2147    -1     
+ Misses            18455    18436   -19     

Impacted Files	Coverage Δ
python/cudf/cudf/_fuzz_testing/fuzzer.py	0.00% <0.00%> (ø)
python/cudf/cudf/_fuzz_testing/io.py	0.00% <0.00%> (ø)
python/cudf/cudf/_fuzz_testing/main.py	0.00% <0.00%> (ø)
python/cudf/cudf/_version.py	0.00% <0.00%> (ø)
python/cudf/cudf/comm/gpuarrow.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/_base_index.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/categorical.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/column.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/datetime.py	0.00% <ø> (ø)
python/cudf/cudf/core/column/methods.py	0.00% <0.00%> (ø)
... and 44 more

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[bdice]

Looks good. One minor comment.

[davidwendt]

@gpucibot merge