Update perltidy configuration

Update perltidy configuration for Perl critic tests, taking advantage
of new perltidy features: add line breaks after labels, enable
vertical alignment for => pairs, add trailing commas to multiline
lists, and align trailing unless with trailing if.  Thanks, Julien
ÉLIE.

NEWS

@@ -11,6 +11,12 @@ rra-c-util 10.5 (unreleased)
     to specify an additional list of regular expressions matching files
     that the check for SPDX license headers should ignore.
 
+    Update perltidy configuration for Perl critic tests, taking advantage
+    of new perltidy features: add line breaks after labels, enable
+    vertical alignment for => pairs, add trailing commas to multiline
+    lists, and align trailing unless with trailing if.  Thanks, Julien
+    ÉLIE.
+
     Ignore files created by the Perl Carton tool, JSON files, and
     temporary files generated by tests when checking for SPDX licenses and
     Perl strictness in standard tests.

tests/data/perltidyrc

@@ -17,6 +17,7 @@
 #
 # SPDX-License-Identifier: FSFAP
 
+-bal=1          # put line breaks after a label
 -bbao           # put line breaks before any operator
 -bfvt=2         # no newline before "or" after closing brace
 -nbbc           # don't force blank lines before comments (bad for else blocks)
@@ -25,8 +26,14 @@
 -ce             # cuddle braces around else
 -l=79           # usually use 78, but don't want 79-long lines reformatted
 -nlop           # disable vertical alignment of logical and ternary expressions
+-vil='=>'       # enable vertical alignment for hash definitions
 -pt=2           # don't add extra whitespace around parentheses
 -sbt=2          # ...or square brackets
 -nsfs           # no space before semicolon in for (not that I use this form)
--nvc            # disable vertical alignment of = and similar symbols
 -xci            # improve indentation of nested structures
+-drc            # delete repeated commas in a list
+-wtc=m          # add trailing commas to key => value pairs
+-atc            # add trailing commas where needed
+-dtc            # delete trailing commas where needed
+-dwic           # remove commas interfering with welds
+-viu            # align trailing unless with if (not that I use unless)