feat: add template activity_bump property (#11734)

Allows template admins to configure the activity bump duration. Defaults to 1h.

coderd/apidoc/swagger.json

@@ -7609,6 +7609,10 @@
       "type": "object",
       "required": ["name", "template_version_id"],
       "properties": {
+        "activity_bump_ms": {
+          "description": "ActivityBumpMillis allows optionally specifying the activity bump\nduration for all workspaces created from this template. Defaults to 1h\nbut can be set to 0 to disable activity bumping.",
+          "type": "integer"
+        },
         "allow_user_autostart": {
           "description": "AllowUserAutostart allows users to set a schedule for autostarting their\nworkspace. By default this is true. This can only be disabled when using\nan enterprise license.",
           "type": "boolean"
@@ -9896,6 +9900,9 @@
           "type": "string",
           "format": "uuid"
         },
+        "activity_bump_ms": {
+          "type": "integer"
+        },
         "allow_user_autostart": {
           "description": "AllowUserAutostart and AllowUserAutostop are enterprise-only. Their\nvalues are only used if your license is entitled to use the advanced\ntemplate scheduling feature.",
           "type": "boolean"