Revert "[externals] remove SPIRV-Headers and SPIRV-Tools (#3989)" (#4247)

This reverts commit ee197e6222.

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4247
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

cpmfile.json

@@ -284,6 +284,15 @@
         "repo": "eden-emulator/sirit",
         "version": "1.0.5"
     },
+    "spirv-headers": {
+        "hash": "d624371dd455c66a300344c89812598ffe11b5eedba555779f789e85c29dc67317741858c60e0744a1e6755cc0d2759b8659f0674f4cc31479c4cb6fc25ed23b",
+        "options": [
+            "SPIRV_WERROR OFF"
+        ],
+        "package": "SPIRV-Headers",
+        "repo": "KhronosGroup/SPIRV-Headers",
+        "version": "vulkan-sdk-1.4.341.0"
+    },
     "tzdb": {
         "artifact": "%VERSION%.tar.gz",
         "git_host": "git.eden-emu.dev",