chore(deps): Bump the minor-and-patch group

Bumps the minor-and-patch group in /a2a/git_issue_agent with 2 updates: [litellm](https://github.com/BerriAI/litellm) and [pyasn1](https://github.com/pyasn1/pyasn1).


Updates `litellm` from 1.90.2 to 1.91.1
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](BerriAI/litellm@v1.90.2...v1.91.1)

Updates `pyasn1` from 0.6.3 to 0.6.4
- [Release notes](https://github.com/pyasn1/pyasn1/releases)
- [Changelog](https://github.com/pyasn1/pyasn1/blob/main/CHANGES.rst)
- [Commits](pyasn1/pyasn1@v0.6.3...v0.6.4)

---
updated-dependencies:
- dependency-name: litellm
  dependency-version: 1.91.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-and-patch
- dependency-name: pyasn1
  dependency-version: 0.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-and-patch
...

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

Author: dependabot[bot]

a2a/git_issue_agent/pyproject.toml

@@ -10,12 +10,12 @@ dependencies = [
     # crewai requires openai>=2.30.0
     # but litellm requires openai==2.24.0
     "crewai[litellm]>=1.6.1",
-    "litellm>=1.90.2",          # Indirect, prevents CVE-2026-42271
+    "litellm>=1.91.1",          # Indirect, prevents CVE-2026-42271
     "crewai-tools[mcp]>=1.6.1",
     "urllib3>=2.7.0",   # Indirect; prevents CVE-2025-66418
     "python-multipart>=0.0.32", # Indirect; prevents CVE-2026-24486
     "cryptography>=48.0.0,<49", # Indirect; prevents CVE-2026-26007
-    "pyasn1>=0.6.3",            # Indirect; prevents CVE-2026-30922
+    "pyasn1>=0.6.4",            # Indirect; prevents CVE-2026-30922
     "starlette>=1.3.1",        # Indirect; prevents CVE-2025-62727
     "pillow>=12.3.0",           # Indirect; prevents CVE-2026-40192
     "lxml>=6.1.1",              # Indirect; prevents CVE-2026-41066