deps(penlight) Bump to 1.12

[Tieske]

Changelog: https://github.com/lunarmodules/Penlight/blob/master/CHANGELOG.md#1120-2022-jan-10

1.12.0 (2022-Jan-10)

• deprecate: module pl.text the contents have moved to pl.stringx (removal later) #407
• deprecate: module pl.xml, please switch to a more specialized library (removal later) #409
• feat: utils.npairs added. An iterator with a range that honours the n field #387
• fix: xml.maptags would hang if it encountered text-nodes #396
• fix: text.dedent didn't handle declining indents nor empty lines #402
• fix: dir.getfiles, dir.getdirectories, and dir.getallfiles now have the directory optional, as was already documented #405
• feat: array2d.default_range now also takes a spreadsheet range, which means also other functions now take a range. #404
• fix: lapp enums allow patterns magic characters #393
• fix: text.wrap and text.fill numerous fixes for handling whitespace, accented characters, honouring width, etc. #400
• feat: text.wrap and text.fill have a new parameter to forcefully break words longer than the width given. #400
• fix: stringx.expandtabs could error out on Lua 5.3+ #406
• fix: pl the module would not properly forward the newindex metamethod on the global table. #395
• feat: utils.enum added to create enums and prevent magic strings #408
• change: xml.new added some sanity checks on input #397
• added: xml.xml_escape and xml.xml_unescape functions (previously private) #397
• feat: xml.tostring now also takes numeric indents (previously only strings) #397
• fix: xml.walk now detects recursion (errors out) #397
• fix: xml.clone now detects recursion (errors out) #397
• fix: xml.compare now detects recursion (errors out) #397
• fix: xml.compare text compares now work #397
• fix: xml.compare attribute order compares now only compare if both inputs provide an order #397
• fix: xml.compare child comparisons failing now report proper error #397