[Security] Bump ffi from 1.9.10 to 1.11.3

[dependabot-preview]

Bumps ffi from 1.9.10 to 1.11.3. This update includes a security fix.

Vulnerabilities fixed

Sourced from The Ruby Advisory Database.

ruby-ffi DDL loading issue on Windows OS
ruby-ffi version 1.9.23 and earlier has a DLL loading issue which can be
hijacked on Windows OS, when a Symbol is used as DLL name instead of a String
This vulnerability appears to have been fixed in v1.9.24 and later.

Patched versions: >= 1.9.24
Unaffected versions: none

Changelog

Sourced from ffi's changelog.

1.11.3 / 2019-11-25

Removed:

• Remove support for tainted objects which cause deprecation warnings in ruby-2.7. #730

1.11.2 / 2019-11-11

Added:

• Add DragonFlyBSD as a platform. #724

Changed:

• Sort all types.conf files, so that files and changes are easier to compare.
• Regenerated type conf for freebsd12 and x86_64-linux targets. #722
• Remove MACOSX_DEPLOYMENT_TARGET that was targeting very old version 10.4. #647
• Fix library name mangling for non glibc Linux/UNIX. #727
• Fix compiler warnings raised by ruby-2.7
• Update libffi to latest master.

1.11.1 / 2019-05-20

Changed:

• Raise required ruby version to >=2.0. #699, #700
• Fix a possible linker error on ruby < 2.3 on Linux.

1.11.0 / 2019-05-17

This version was yanked on 2019-05-20 to fix an install issue on ruby-1.9.3. #700

Added:

• Add ability to disable or force use of system libffi. #669
  Use like gem inst ffi -- --enable-system-libffi .
• Add ability to call FFI callbacks from outside of FFI call frame. #584
• Add proper documentation to FFI::Generator and ::Task
• Add gemspec metadata. #696, #698

Changed:

• Fix stdcall on Win32. #649, #669
• Fix load paths for FFI::Generator::Task
• Fix FFI::Pointer#read_string(0) to return a binary String. #692
• Fix benchmark suite so that it runs on ruby-2.x
• Move FFI::Platform::CPU from C to Ruby. #663
• Move FFI::StructByReference to Ruby. #681
• Move FFI::DataConverter to Ruby (#661)
• Various cleanups and improvements of specs and benchmarks

... (truncated)

Commits

• 6ea465e Bump VERSION to 1.11.3
• 418e2b3 Prepare CHANGELOG for 1.11.3
• b924884 Merge branch 'y-yagi-remove_taint_support'
• 7ce0a9a Remove taint support
• a0386c8 Update CHANGELOG [ci skip]
• 4c8051e Update libffi to latest master
• 8121e6f Update CHANGELOG for 1.11.2
• 1b64c01 Bump VERSION to 1.11.2
• d18826d Merge pull request #722 from adam12/regenerate-freebsd12-types
• 7f909c2 Fix library name mangling for non glibc Linux/UNIX
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #21.