kcv3 downstream grudge CI: Use appropriate branch (#359)
* kcv3 downstream grudge CI: Use appropriate branch * Debug grudge downstream CI kcv3 clone * Grudge downstream CI for kcv3: Also for kcv3-grudge-downstream-ci * kcv3 downstream grudge CI: I hate nested shell conditionals * kcv3 grudge downstream CI: Use "special grudge" for kcv3 and branches targeting it