Bump gpgme to 2.0.0 and libassuan to 3.0.2#203

ueno merged 2 commits intoueno:masterueno/ruby-gpgme:masterfrom

JamieMagee:gpgme-2.0.0-libassuan-3.0.2JamieMagee/ruby-gpgme:gpgme-2.0.0-libassuan-3.0.2Copy head branch name to clipboard