CI: Install flawfinder to ~/.local/bin
CI: Install flawfinder to ~/.local/bin

Removes unnecessary use of sudo.

Related to https://github.com/coala/coala-bears/issues/2592

coala-analyzer/coala-bears,coala/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,refeed/coala-bears,refeed/coala-bears,refeed/coala-bears,refeed/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,refeed/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,refeed/coala-bears,refeed/coala-bears,coala/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,coala-analyzer/coala-bears,refeed/coala-bears,coala/coala-bears