Bump vega from 5.23.0 to 5.26.0

Bumps [vega](https://github.com/vega/vega) from 5.23.0 to 5.26.0.
- [Release notes](https://github.com/vega/vega/releases)
- [Commits](vega/vega@v5.23.0...v5.26.0)

---
updated-dependencies:
- dependency-name: vega
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -46,7 +46,7 @@
     "sharp": "^0.32.6",
     "simple-oauth2": "^4.2.0",
     "swr": "^1.0.1",
-    "vega": "^5.23.0",
+    "vega": "^5.26.0",
     "vega-embed": "^6.20.0",
     "vega-lite": "^5.1.1",
     "webpack": "^5.94.0",