chore: fix links to contribution guidelines (#10792)

www/vale/styles/docs/Npm2Yarn.yml

@@ -1,6 +1,6 @@
 extends: existence
 message: "Consider adding npm2yarn to ```bash"
-link: https://docs.medusajs.com/contribution-guidelines#npm-and-yarn-code-blocks
+link: https://docs.medusajs.com/resources/contribution-guidelines/docs#npm-and-yarn-code-blocks
 level: warning
 scope: raw
 ignorecase: true

www/vale/styles/docs/NpmCommands.yml

@@ -1,6 +1,6 @@
 extends: substitution
 message: Use '%s' instead of '%s'
-link: https://docs.medusajs.com/contribution-guidelines#expand-commands
+link: https://docs.medusajs.com/resources/contribution-guidelines/docs#expand-commands
 level: error
 scope: raw
 ignorecase: false

www/vale/styles/docs/NpmGlobal.yml

@@ -1,6 +1,6 @@
 extends: existence
 message: "The -g option should be added at the end of the command"
-link: https://docs.medusajs.com/contribution-guidelines#global-option
+link: https://docs.medusajs.com/resources/contribution-guidelines/docs#global-option
 level: error
 scope: raw
 ignorecase: true