Automation PR: Update rstudio.rstudio-workbench to 1.5.66 (#8797)

Auto-update to 1.5.66 with SHA256:
6bf65a445572cf18ef9bc832e9c56e5313674fedb0e5260db2e203e03f147ba7
triggered by a commit to `main` in
[rstudio-workbench-vscode-ext](https://github.com/rstudio/rstudio-workbench-vscode-ext).

**PR Reviewer**: before merging, please check out these changes locally,
run `detect-secrets` to [update the secrets baseline
file](https://github.com/posit-dev/positron/tree/main/build/secrets#updating-the-baseline-secrets-file),
audit the baseline file if necessary, and push the updates to the
secrets baseline file to this PR.

---------

Co-authored-by: posit-jenkins-enterprise[bot] <203673010+posit-jenkins-enterprise[bot]@users.noreply.github.com>
Co-authored-by: sharon wang <[email protected]>

Author: posit-jenkins-enterprise[bot]

build/secrets/.secrets.baseline

@@ -1165,7 +1165,7 @@
       {
         "type": "Hex High Entropy String",
         "filename": "product.json",
-        "hashed_secret": "9a0e68c6556c98169a36b5d333988f940f71c28f",
+        "hashed_secret": "26ed1bbc63a0b36978ff0acd9c35193146bf0327",
         "is_verified": false,
         "line_number": 114,
         "is_secret": false
@@ -1786,5 +1786,5 @@
       }
     ]
   },
-  "generated_at": "2025-08-01T13:36:11Z"
+  "generated_at": "2025-08-01T19:45:58Z"
 }

product.json

@@ -108,10 +108,10 @@
 		},
 		{
 			"name": "rstudio.rstudio-workbench",
-			"version": "1.5.65",
+			"version": "1.5.66",
 			"positUrl": "https://cdn.posit.co/pwb-components/extension",
 			"type": "reh-web",
-			"sha256": "09fb0805e332aa3fceebbb6fc15d5a7d6935a3c345f897e986599a0bf32d5499",
+			"sha256": "6bf65a445572cf18ef9bc832e9c56e5313674fedb0e5260db2e203e03f147ba7",
 			"metadata": {
 				"publisherDisplayName": "Posit Software, PBC"
 			}