chore: update dependencies (#449)

- Update cargo dependencies and github-actions
- Improve Python 3.14 support

---------

Co-authored-by: Shantanu <shantanu@openai.com>

Author: reneleonhardt

.github/workflows/build_wheels.yml

@@ -20,7 +20,7 @@ jobs:
         python-version: [39, 310, 311, 312, 313, 313t, 314, 314t]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: pypa/cibuildwheel@v3.1.4
         env:
@@ -43,7 +43,7 @@ jobs:
         python-version: [39, 310, 311, 312, 313, 313t, 314, 314t]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v3.1.4
@@ -65,8 +65,8 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         name: Install Python
         with:
           python-version: "3.9"

Cargo.toml

@@ -14,13 +14,13 @@ python = [
 ]
 
 [dependencies]
-pyo3 = { version = "0.25.1", default-features = false, features = [
+pyo3 = { version = "0.26", default-features = false, features = [
     "extension-module",
     "macros",
 ], optional = true }
 
 # tiktoken dependencies
-fancy-regex = "0.13.0"
+fancy-regex = "0.16"
 regex = "1.10.3"
-rustc-hash = "1.1.0"
+rustc-hash = "2"
 bstr = "1.5.0"