Bump ts-jest from 26.4.4 to 26.5.6

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.4.4 to 26.5.6.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.4.4...v26.5.6)

---
updated-dependencies:
- dependency-name: ts-jest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -56,7 +56,7 @@
     "prettier": "^2.4.1",
     "semantic-release": "^18.0.0",
     "semantic-release-vsce": "^3.5.0",
-    "ts-jest": "^26.4.4",
+    "ts-jest": "^26.5.6",
     "ts-node": "^10.3.0",
     "typescript": "^4.4.4",
     "vsce": "^1.100.1",