build: bump libcst from 1.8.5 to 1.8.6 (#888)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: pyansys-ci-bot <[email protected]>

Author: dependabot[bot]

doc/source/changelog/888.dependencies.md

@@ -0,0 +1 @@
+Bump libcst from 1.8.5 to 1.8.6

pyproject.toml

@@ -108,7 +108,7 @@ doc = [
   "jupyter-server==2.17.0",
   "jupyterlab==4.4.10",
   "jupytext==1.18.1",
-  "libcst==1.8.5",
+  "libcst==1.8.6",
   "matplotlib==3.10.7",
   "myst-parser==4.0.1",
   "nbconvert==7.16.6",