Bump app.json semantic version

bump-sem-ver.sh

#!/bin/bash
set -e
INCREMENT_LEVEL="patch" # Choose from "major", "minor", or "patch"

awk -v level="$INCREMENT_LEVEL" '
BEGIN {
    FS = OFS = "\"";
}
{
    if ($2 == "version") {
        split($4, version_parts, ".");
        if (level == "major") {
            version_parts[1]++;
            version_parts[2] = 0;
            version_parts[3] = 0;
        } else if (level == "minor") {
            version_parts[2]++;
            version_parts[3] = 0;
        } else {
            version_parts[3]++;
        }
        $4 = version_parts[1] "." version_parts[2] "." version_parts[3];
    }
    print;
}' app.json > app.json.tmp && mv app.json.tmp app.json