pip: bump antlr4-python3-runtime from 4.7.1 to 4.11.1

Bumps [antlr4-python3-runtime](http://www.antlr.org) from 4.7.1 to 4.11.1.

---
updated-dependencies:
- dependency-name: antlr4-python3-runtime
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pip-requirements.txt b/pip-requirements.txt
index 4ffcadd..24d501a 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -15,6 +15,6 @@
 edk2-pytool-library==0.12.1

 edk2-pytool-extensions~=0.20.0

 edk2-basetools==0.1.39

-antlr4-python3-runtime==4.7.1

+antlr4-python3-runtime==4.11.1

 lcov-cobertura==2.0.2