Bump the rstudio.rstudio-workbench extension to 1.6.14 (#9597)

Updates the bundled `rstudio.rstudio-workbench` extension to version
1.6.14.

Package checksum:
`9cd96447829612acc76ee84b3ce0c5b2fbb6b03b8a48c1b7df647ce58c7fbbb5`
Commit:
[`36cb606cf43c9fc423b7cbee3951460e71cca4f0`](https://github.com/rstudio/rstudio-workbench-vscode-ext/commit/36cb606cf43c9fc423b7cbee3951460e71cca4f0)
Branch: `main`

**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.

---------

Signed-off-by: Sam Clark <[email protected]>
Co-authored-by: posit-jenkins-enterprise[bot] <203673010+posit-jenkins-enterprise[bot]@users.noreply.github.com>
Co-authored-by: Sam Clark <[email protected]>
Co-authored-by: Sam Clark <[email protected]>

Author: posit-jenkins-enterprise[bot]

build/secrets/.secrets.baseline

@@ -1087,6 +1087,16 @@
         "is_secret": false
       }
     ],
+    "extensions/positron-supervisor/src/kcclient/common.ts": [
+      {
+        "type": "Secret Keyword",
+        "filename": "extensions/positron-supervisor/src/kcclient/common.ts",
+        "hashed_secret": "c218e39efa2e1aae69f39d2054528369ce1e1f46",
+        "is_verified": false,
+        "line_number": 44,
+        "is_secret": false
+      }
+    ],
     "extensions/vscode-api-tests/testWorkspace/test.ipynb": [
       {
         "type": "Hex High Entropy String",
@@ -1135,7 +1145,7 @@
       {
         "type": "Hex High Entropy String",
         "filename": "product.json",
-        "hashed_secret": "ee0889627ab4af479c002f869cc459020a5cf93b",
+        "hashed_secret": "4081ea2690398eebcba2ef6f6695aa2f6ad73d7e",
         "is_verified": false,
         "line_number": 114,
         "is_secret": false
@@ -1756,5 +1766,5 @@
       }
     ]
   },
-  "generated_at": "2025-09-26T11:10:38Z"
+  "generated_at": "2025-09-26T13:28:25Z"
 }

product.json

@@ -108,10 +108,10 @@
 		},
 		{
 			"name": "rstudio.rstudio-workbench",
-			"version": "1.6.12",
+			"version": "1.6.14",
 			"positUrl": "https://cdn.posit.co/pwb-components/extension",
 			"type": "reh-web",
-			"sha256": "8e70f88827add54bb60ea6566dab500558265abe5979d9cafd0df988f5ca759b",
+			"sha256": "9cd96447829612acc76ee84b3ce0c5b2fbb6b03b8a48c1b7df647ce58c7fbbb5",
 			"metadata": {
 				"publisherDisplayName": "Posit Software, PBC"
 			}