Upgrade @actions dependencies to Node 24 compatible versions (#1259)

* Upgrade @actions dependencies to Node 24 compatible versions

Upgrades the following @actions packages:
- @actions/cache: ^4.0.3 → ^5.0.1
- @actions/core: ^1.10.0 → ^2.0.1
- @actions/exec: ^1.1.0 → ^2.0.0
- @actions/http-client: ^2.2.3 → ^3.0.0
- @actions/io: ^1.0.2 → ^2.0.0

License updates:
- Add blueoak-1.0.0 to allowed licenses (new transitive dependency: sax)
- Add @actions/http-client to reviewed licenses (MIT licensed but detected as 'other')

Also ran npm audit fix to resolve vulnerabilities.

* update patch version

* upgrade actions/checkout from v5 to v6

* check failures fix

* revert the pinned pipenv version

* check failure fix

* npm run build

---------

Co-authored-by: Aparna Jyothi <aparnajyothi-y@github.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-python",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "private": true,
   "description": "Setup python action",
   "main": "dist/index.js",
@@ -28,12 +28,12 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^4.0.3",
-    "@actions/core": "^1.10.0",
-    "@actions/exec": "^1.1.0",
+    "@actions/cache": "^5.0.1",
+    "@actions/core": "^2.0.1",
+    "@actions/exec": "^2.0.0",
     "@actions/glob": "^0.5.0",
-    "@actions/http-client": "^2.2.3",
-    "@actions/io": "^1.0.2",
+    "@actions/http-client": "^3.0.0",
+    "@actions/io": "^2.0.0",
     "@actions/tool-cache": "^2.0.2",
     "@iarna/toml": "^3.0.0",
     "semver": "^7.7.1"