Feat: Update APIs script (@W-20718643@) (#436)

* implement download by api version

* remove unused code

* update tests

* update api version table

* remove proxyquire

* update package.lock.json

* add CustomRequestBody

* address PR comments

* fix unit test

---------

Co-authored-by: Alex Vuong <alex.vuong@salesforce.com>

Author: joeluong-sfcc

.depcheckrc.yml

@@ -13,3 +13,5 @@ ignores:
   - handlebars # Used by generation script to generate version.ts and top level index.ts files
   - fs-extra # Used by generation script and updateApis script
   - tslib # Used by the TypeScript compiler
+  - anypoint-cli-exchange-plugin # CLI tool executed via execSync in scripts, not imported
+  - anypoint-cli-v4 # CLI tool executed via execSync in scripts, not imported

api-versions.txt

@@ -0,0 +1,30 @@
+# ECOM v26.2
+assignments-oas-v1=1.0.36
+campaigns-oas-v1=1.0.38
+catalogs-oas-v1=1.0.43
+cdn-api-process-apis-oas-v1=1.0.40
+cors-preferences-oas-v1=1.0.7
+coupons-oas-v1=1.0.40
+customers-oas-v1=1.0.33
+gift-certificates-oas-v1=1.0.40
+orders-oas-v1=1.4.11
+preferences-oas-v1=1.1.4
+products-oas-v1=1.0.41
+promotions-oas-v1=1.0.34
+shopper-baskets-oas-v1=1.9.1
+shopper-baskets-oas-v2=2.1.1
+shopper-configurations-oas=1.0.0
+shopper-consents-oas-v1=1.1.2
+shopper-context-oas-v1=1.1.2
+shopper-customers-oas-v1=1.1.2
+shopper-experience-oas-v1=1.0.9
+shopper-gift-certificates-oas-v1=1.0.27
+shopper-login-oas-v1=1.40.0
+shopper-orders-oas-v1=1.5.1
+shopper-products-oas-v1=1.0.39
+shopper-promotions-oas-v1=1.0.37
+shopper-search-oas-v1=1.5.1
+shopper-seo-oas-v1=1.0.14
+shopper-stores-oas-v1=1.0.18
+slas-admin-oas-v1=1.12.31
+source-code-groups-oas-v1=1.0.38