build(deps): bump the python group across 1 directory with 5 updates

Updates the requirements on [httpcore](https://github.com/encode/httpcore), [pydantic](https://github.com/pydantic/pydantic), [pydantic-settings](https://github.com/pydantic/pydantic-settings), [mcp](https://github.com/modelcontextprotocol/python-sdk) and [markitdown](https://github.com/microsoft/markitdown) to permit the latest version.

Updates `httpcore` to 1.0.9
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](https://github.com/encode/httpcore/compare/1.0.0...1.0.9)

Updates `pydantic` to 2.13.5
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.13.5/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.13.4...v2.13.5)

Updates `pydantic-settings` to 2.15.0
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](https://github.com/pydantic/pydantic-settings/compare/v2.14.1...v2.15.0)

Updates `mcp` to 2.2.0
- [Release notes](https://github.com/modelcontextprotocol/python-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/python-sdk/blob/main/RELEASE.md)
- [Commits](https://github.com/modelcontextprotocol/python-sdk/compare/v0.2.0...v2.2.0)

Updates `markitdown` from 0.1.6 to 0.1.7
- [Release notes](https://github.com/microsoft/markitdown/releases)
- [Commits](https://github.com/microsoft/markitdown/compare/v0.1.6...v0.1.7)

---
updated-dependencies:
- dependency-name: httpcore
  dependency-version: 1.0.9
  dependency-type: direct:production
  dependency-group: python
- dependency-name: markitdown
  dependency-version: 0.1.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: mcp
  dependency-version: 2.1.1
  dependency-type: direct:production
  dependency-group: python
- dependency-name: pydantic
  dependency-version: 2.13.5
  dependency-type: direct:production
  dependency-group: python
- dependency-name: pydantic-settings
  dependency-version: 2.15.0
  dependency-type: direct:production
  dependency-group: python
...

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

.github/workflows/codeql.yml

@@ -31,11 +31,11 @@ jobs:
         with:
           persist-credentials: false
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd  # v4.37.7
         with:
           languages: ${{ matrix.language }}
           build-mode: none
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd  # v4.37.7
         with:
           category: "/language:${{ matrix.language }}"

.github/workflows/container-scan.yml

@@ -42,7 +42,7 @@ jobs:
           persist-credentials: false
 
       - name: Lint Dockerfile
-        uses: hadolint/hadolint-action@06be81baf89a55ffd0e24b8f04a4185738dd3387  # v3.5.0
+        uses: hadolint/hadolint-action@2a66e89f53d0771bb131a7fa31f3136336094aa6  # v3.4.0
         with:
           dockerfile: Dockerfile
           # DL3008: pinning apt package versions is impractical on a -slim base

.github/workflows/container-trivy.yml

@@ -123,7 +123,7 @@ jobs:
           TRIVY_DB_REPOSITORY: ghcr.io/aquasecurity/trivy-db:2
 
       - name: Upload Trivy results
-        uses: github/codeql-action/upload-sarif@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/upload-sarif@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd  # v4.37.7
         with:
           sarif_file: trivy-results.sarif
           category: trivy-image

.github/workflows/deploy-pages.yml

@@ -47,4 +47,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346  # v5.0.1
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128  # v5.0.0

requirements-optional.txt

@@ -43,4 +43,4 @@ PyMuPDF
 # magika (onnxruntime), already a core dep via fastembed. We avoid the
 # [all]/Azure/audio extras (cloud + heavy). Pinned to a release >30 days old per
 # the dependency-age discussion in issue #485.
-markitdown[docx,pptx,xlsx,xls]==0.1.6
+markitdown[docx,pptx,xlsx,xls]==0.1.7

requirements.txt

@@ -3,9 +3,9 @@ uvicorn
 python-multipart
 python-dotenv
 httpx
-httpcore>=1.0,<2.0
+httpcore>=1.0.9,<2.0
-pydantic>=2.13.4
+pydantic>=2.13.5
-pydantic-settings>=2.14.1
+pydantic-settings>=2.15.0
 SQLAlchemy
 pypdf
 beautifulsoup4
@@ -41,7 +41,7 @@ bcrypt
 # Built-in servers use the v1 low-level Server decorator API. MCP SDK v2 is a
 # breaking rewrite, so keep fresh installs on the maintained v1 line until the
 # servers are migrated together.
-mcp<2
+mcp<3
 pyotp
 qrcode[pil]
 croniter