gnupg.org/pinentry

[and-ri]

closed #298

[what-the-diff]

PR Summary

• Added a new file to the projects/gnupg.org directory
  This PR adds a new file to the project directory.

• Updated URL for pinentry source code
  The new URL for pinentry source code has been provided: https://gnupg.org/ftp/gcrypt/pinentry/.tar.bz2

• Improved version matching
  The version matching has been refined for pinentry to properly extract version numbers.

• Dependencies and build requirements
  Dependencies include libassuan and libpg-error, without specific version numbers. Build requirements are a c99 compiler, make utility, and pkg-config tool.

• Build process updates
  The build script executes './configure $ARGS' followed by 'make --jobs {{ hw concurrency }} install' with updated arguments including prefix and disabling of certain features.

• Providing pinentry binaries
  This PR provides the pinentry and pinentry-tty binaries.

• Testing version
  The test command checks that both binaries have the correct versions printed when run with the --version option.