Bump librt version (#20256)

This pulls the version that contains stubs inside the wheel. I checked
that third-party tools can find the stubs, but our local version in
typeshed takes precedence as discussed in
#20245

Author: ilevkivskyi

mypy-requirements.txt

@@ -4,4 +4,4 @@ typing_extensions>=4.6.0
 mypy_extensions>=1.0.0
 pathspec>=0.9.0
 tomli>=1.1.0; python_version<'3.11'
-librt>=0.6.0
+librt>=0.6.2

pyproject.toml

@@ -9,7 +9,7 @@ requires = [
     "mypy_extensions>=1.0.0",
     "pathspec>=0.9.0",
     "tomli>=1.1.0; python_version<'3.11'",
-    "librt>=0.6.0",
+    "librt>=0.6.2",
     # the following is from build-requirements.txt
     "types-psutil",
     "types-setuptools",
@@ -54,7 +54,7 @@ dependencies = [
   "mypy_extensions>=1.0.0",
   "pathspec>=0.9.0",
   "tomli>=1.1.0; python_version<'3.11'",
-  "librt>=0.6.0",
+  "librt>=0.6.2",
 ]
 dynamic = ["version"]
 

test-requirements.txt

@@ -22,7 +22,7 @@ identify==2.6.15
     # via pre-commit
 iniconfig==2.1.0
     # via pytest
-librt==0.6.0
+librt==0.6.2
     # via -r mypy-requirements.txt
 lxml==6.0.2 ; python_version < "3.15"
     # via -r test-requirements.in