Bump pyasn1 from 0.6.1 to 0.6.2 in /samples/langgraph-sql-agent

Bumps [pyasn1](https://github.com/pyasn1/pyasn1) from 0.6.1 to 0.6.2.
- [Release notes](https://github.com/pyasn1/pyasn1/releases)
- [Changelog](https://github.com/pyasn1/pyasn1/blob/main/CHANGES.rst)
- [Commits](pyasn1/pyasn1@v0.6.1...v0.6.2)

---
updated-dependencies:
- dependency-name: pyasn1
  dependency-version: 0.6.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

samples/langgraph-sql-agent/requirements.txt

@@ -1122,9 +1122,9 @@ pyarrow==21.0.0 \
     --hash=sha256:f522e5709379d72fb3da7785aa489ff0bb87448a9dc5a75f45763a795a089ebd \
     --hash=sha256:fc0d2f88b81dcf3ccf9a6ae17f89183762c8a94a5bdcfa09e05cfe413acf0503
     # via langchain-google-vertexai
-pyasn1==0.6.1 \
-    --hash=sha256:0d632f46f2ba09143da3a8afe9e33fb6f92fa2320ab7e886e2d0f7672af84629 \
-    --hash=sha256:6f580d2bdd84365380830acf45550f2511469f673cb4a5ae3857a3170128b034
+pyasn1==0.6.2 \
+    --hash=sha256:1eb26d860996a18e9b6ed05e7aae0e9fc21619fcee6af91cca9bad4fbea224bf \
+    --hash=sha256:9b59a2b25ba7e4f8197db7686c09fb33e658b98339fadb826e9512629017833b
     # via
     #   pyasn1-modules
     #   rsa