Bump snowballstemmer from 3.1.0 to 3.1.1

[dependabot]

Bumps snowballstemmer from 3.1.0 to 3.1.1.

Changelog

Sourced from snowballstemmer's changelog.

Snowball 3.1.1 (2026-06-03)

Compiler changes

• Bug fixes:

  • Fix a segmentation fault after reporting an error for a string command not followed by a string variable name or string literal. Bug introduced in 3.1.0. Patch from Jerry James (#287).

• Compiler command-line options:

  • Emit an error for -o -/-output -. Output to stdout is not supported because we need to generate multiple files for some target languages. We were interpreting - as a base filename to append extensions to, so we'd create -.c and -.h for C, but creating filenames that start with - seems unhelpful.

Generic code generation changes

• Bug fixes:

  • Variable localisation was failing to check the expression on the RHS of an integer test for uses of a variable, so could incorrectly localise an integer variable whose value should have persisted between calls to a function. This bug won't realistically manifest in real world Snowball code.

• Optimisations:

  • Inline some routines which are only used once. This is done for routines consisting of a single non-compound command (or cases such as not <boolean> and goto <grouping> which we internally synthesise a non-compound command for). Localisation of variables happens after inlining, so variables can now be localised in more cases.

  • test next and not next are both now simplified to a comparison between cursor and limit (like not atlimit and atlimit). We already normalise hop 1 to next, so test hop 1 and not hop 1 are also simplified in this way.

  • Simplify not applied to an integer test by removing the not and flipping the sense of the test (e.g. not $(x > y) becomes $(x <= y)) which results in simpler generated code. More usefully in real world code, this also results in simpler generated code for not atlimit (since atlimit is converted $(cursor >= limit) or $(cursor <= limit) (depending on the current direction).

... (truncated)

Commits

• cd195b5 Update for 3.1.1
• 80d885c NEWS: Update draft entry
• 5346c74 C++: Compile runtime as C++
• 537f970 python: Add classifier for 3.14
• 3aeb013 python: Skip Natural Language :: Sesotho classifier
• 91fa20b NEWS: Update draft entry
• a04abeb Don't use extern "C" for functions which can throw
• 49bb623 C++: Hook up properly
• 7ab50ed CI: Fix coverage job
• 5f0a33c NEWS: Add draft entry
• Additional commits viewable in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.02%. Comparing base (7e86ab9) to head (3c023a9).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8190   +/-   ##
=======================================
  Coverage   71.02%   71.02%           
=======================================
  Files         301      301           
  Lines       31891    31891           
=======================================
  Hits        22650    22650           
  Misses       9241     9241           

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