node_cache: Rename npm_cache to target_path.
node_cache: Rename npm_cache to target_path.

This is cleaner and part of renaming these variables to refer to the
node_modules_cache.

synicalsyntax/zulip,brockwhittaker/zulip,eeshangarg/zulip,zulip/zulip,vabs22/zulip,synicalsyntax/zulip,amanharitsh123/zulip,hackerkid/zulip,andersk/zulip,tommyip/zulip,vaidap/zulip,rishig/zulip,rht/zulip,hackerkid/zulip,rishig/zulip,vaidap/zulip,brainwane/zulip,tommyip/zulip,jackrzhang/zulip,tommyip/zulip,timabbott/zulip,andersk/zulip,eeshangarg/zulip,amanharitsh123/zulip,amanharitsh123/zulip,brockwhittaker/zulip,hackerkid/zulip,verma-varsha/zulip,vabs22/zulip,dhcrzf/zulip,Galexrt/zulip,mahim97/zulip,zulip/zulip,vabs22/zulip,brainwane/zulip,rishig/zulip,hackerkid/zulip,dhcrzf/zulip,brockwhittaker/zulip,kou/zulip,brainwane/zulip,timabbott/zulip,Galexrt/zulip,kou/zulip,kou/zulip,timabbott/zulip,andersk/zulip,tommyip/zulip,showell/zulip,vaidap/zulip,dhcrzf/zulip,dhcrzf/zulip,eeshangarg/zulip,tommyip/zulip,kou/zulip,verma-varsha/zulip,synicalsyntax/zulip,hackerkid/zulip,rht/zulip,vabs22/zulip,verma-varsha/zulip,kou/zulip,mahim97/zulip,Galexrt/zulip,tommyip/zulip,jackrzhang/zulip,rht/zulip,Galexrt/zulip,mahim97/zulip,Galexrt/zulip,synicalsyntax/zulip,showell/zulip,rishig/zulip,timabbott/zulip,eeshangarg/zulip,hackerkid/zulip,showell/zulip,brainwane/zulip,tommyip/zulip,timabbott/zulip,rishig/zulip,dhcrzf/zulip,brockwhittaker/zulip,vaidap/zulip,kou/zulip,brainwane/zulip,kou/zulip,shubhamdhama/zulip,zulip/zulip,shubhamdhama/zulip,Galexrt/zulip,jackrzhang/zulip,Galexrt/zulip,verma-varsha/zulip,verma-varsha/zulip,rht/zulip,vabs22/zulip,punchagan/zulip,amanharitsh123/zulip,punchagan/zulip,punchagan/zulip,zulip/zulip,mahim97/zulip,synicalsyntax/zulip,showell/zulip,jackrzhang/zulip,amanharitsh123/zulip,andersk/zulip,zulip/zulip,andersk/zulip,punchagan/zulip,jackrzhang/zulip,shubhamdhama/zulip,jackrzhang/zulip,andersk/zulip,vaidap/zulip,dhcrzf/zulip,mahim97/zulip,vabs22/zulip,punchagan/zulip,shubhamdhama/zulip,rishig/zulip,rishig/zulip,showell/zulip,showell/zulip,timabbott/zulip,eeshangarg/zulip,shubhamdhama/zulip,timabbott/zulip,brockwhittaker/zulip,andersk/zulip,punchagan/zulip,brainwane/zulip,zulip/zulip,vaidap/zulip,rht/zulip,brainwane/zulip,synicalsyntax/zulip,verma-varsha/zulip,mahim97/zulip,eeshangarg/zulip,eeshangarg/zulip,shubhamdhama/zulip,hackerkid/zulip,showell/zulip,punchagan/zulip,amanharitsh123/zulip,jackrzhang/zulip,brockwhittaker/zulip,rht/zulip,shubhamdhama/zulip,zulip/zulip,synicalsyntax/zulip,dhcrzf/zulip,rht/zulip