docs: document additional args for vcs_tag
docs: document additional args for vcs_tag

Supported as of 223596d7bf8ab9b839e0031022c132a3ccd4fd1d

becm/meson,ernestask/meson,ernestask/meson,becm/meson,trhd/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,thiblahute/meson,jpakkane/meson,ernestask/meson,rhd/meson,trhd/meson,MathieuDuponchelle/meson,QuLogic/meson,jeandet/meson,wberrier/meson,wberrier/meson,MathieuDuponchelle/meson,becm/meson,MathieuDuponchelle/meson,fmuellner/meson,mesonbuild/meson,ernestask/meson,aaronp24/meson,wberrier/meson,mesonbuild/meson,trhd/meson,trhd/meson,aaronp24/meson,becm/meson,thiblahute/meson,mesonbuild/meson,pexip/meson,wberrier/meson,thiblahute/meson,aaronp24/meson,pexip/meson,thiblahute/meson,mesonbuild/meson,ernestask/meson,fmuellner/meson,thiblahute/meson,mesonbuild/meson,trhd/meson,QuLogic/meson,aaronp24/meson,jpakkane/meson,wberrier/meson,aaronp24/meson,mesonbuild/meson,pexip/meson,becm/meson,pexip/meson,MathieuDuponchelle/meson,thiblahute/meson,aaronp24/meson,jpakkane/meson,aaronp24/meson,jeandet/meson,becm/meson,ernestask/meson,QuLogic/meson,ernestask/meson,fmuellner/meson,fmuellner/meson,wberrier/meson,trhd/meson,pexip/meson,rhd/meson,fmuellner/meson,jpakkane/meson,becm/meson,becm/meson,thiblahute/meson,jpakkane/meson,QuLogic/meson,jeandet/meson,wberrier/meson,trhd/meson,pexip/meson,rhd/meson,rhd/meson,mesonbuild/meson,jeandet/meson,QuLogic/meson,rhd/meson,QuLogic/meson,pexip/meson,rhd/meson,ernestask/meson,jpakkane/meson,mesonbuild/meson,MathieuDuponchelle/meson,QuLogic/meson,MathieuDuponchelle/meson,jeandet/meson,jpakkane/meson,becm/meson,pexip/meson,wberrier/meson,fmuellner/meson,ernestask/meson,rhd/meson,jeandet/meson,mesonbuild/meson,thiblahute/meson,QuLogic/meson,jpakkane/meson,fmuellner/meson,aaronp24/meson,trhd/meson,QuLogic/meson,thiblahute/meson,trhd/meson,jeandet/meson,jpakkane/meson,jeandet/meson,mesonbuild/meson,pexip/meson,rhd/meson,aaronp24/meson,fmuellner/meson,becm/meson,MathieuDuponchelle/meson,fmuellner/meson,pexip/meson,jeandet/meson