chore(medusa-oas-cli,oas-github-ci): remove v2 option + generate v2 by default (#7304)

* chore(medusa-oas-cli,oas-github-ci): remove v2 option + generate v2 by default

* fixes to changeset

* fix public url path

.changeset/cold-bikes-build.md

@@ -0,0 +1,9 @@
+---
+"@medusajs/medusa-oas-cli": major
+---
+
+chore(medusa-oas-cli): remove v2 option + generate v2 OAS by default
+
+## Breaking Change
+
+This introduces a breaking change to the `medusa-oas-cli` as it no longer generates OAS for v1 projects. Users using it with Medusa v1 have to use v0.3.x moving forward.

.changeset/seven-suits-dream.md

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+---
+"@medusajs/oas-github-ci": patch
+---
+
+chore(oas-github-ci): remove v2 option