Update devcontainer memory settings
Update devcontainer memory settings

CodeQL CLI needs a minimum of 2G of memory. By default, the memory used is slightly less than that, leading to poor performance.
github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql