chore(docs): use obvious placeholders for the v2 share examples

GitGuardian flagged the sample share token as a high-entropy secret. It was
always fake, but a random-looking token in the docs is worth avoiding on its
own — a reader should never wonder whether an example value is real.

Author: TheodoreSpeaks

apps/docs/openapi-v2-files-audit.json

@@ -1699,8 +1699,8 @@
                   "data": {
                     "share": {
                       "id": "shr_8Hf3kL9wQ2mNpXr6Tz1Vb",
-                      "token": "k3Jt7QpW2xR8mZn4",
-                      "url": "https://www.sim.ai/f/k3Jt7QpW2xR8mZn4",
+                      "token": "share-token-example",
+                      "url": "https://www.sim.ai/f/share-token-example",
                       "isActive": true,
                       "resourceType": "file",
                       "resourceId": "wf_V1StGXR8z5jdHi6BmyT91",
@@ -1806,7 +1806,7 @@
                     "workspaceId": "a91c4b2e-6d3f-4e8a-b5c7-0d9e2f1a8c64",
                     "isActive": true,
                     "authType": "password",
-                    "password": "correct-horse-battery-staple"
+                    "password": "EXAMPLE_PASSWORD"
                   }
                 },
                 "disable": {
@@ -1843,8 +1843,8 @@
                   "data": {
                     "share": {
                       "id": "shr_8Hf3kL9wQ2mNpXr6Tz1Vb",
-                      "token": "k3Jt7QpW2xR8mZn4",
-                      "url": "https://www.sim.ai/f/k3Jt7QpW2xR8mZn4",
+                      "token": "share-token-example",
+                      "url": "https://www.sim.ai/f/share-token-example",
                       "isActive": true,
                       "resourceType": "file",
                       "resourceId": "wf_V1StGXR8z5jdHi6BmyT91",
@@ -2436,13 +2436,13 @@
           "token": {
             "type": "string",
             "description": "The public token embedded in the share URL. Always server-generated.",
-            "example": "k3Jt7QpW2xR8mZn4"
+            "example": "share-token-example"
           },
           "url": {
             "type": "string",
             "format": "uri",
             "description": "The public share URL.",
-            "example": "https://www.sim.ai/f/k3Jt7QpW2xR8mZn4"
+            "example": "https://www.sim.ai/f/share-token-example"
           },
           "isActive": {
             "type": "boolean",