fix: use Bazel 8.4.0 LTS for CI compatibility

- Setup-bazel action doesn't recognize 'latest' keyword
- Use specific Bazel 8.4.0 LTS version which is the current stable release
- This should resolve the 'Unable to find Bazelisk version latest' errors

Author: avrabe

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
     types: [published]
 
 env:
-  BAZEL_VERSION: "latest"
+  BAZEL_VERSION: "8.4.0"
   RUST_VERSION: "1.82.0"
   TINYGO_VERSION: "0.38.0"
   NODE_VERSION: "20.18.0"

.github/workflows/oci-publish.yml

@@ -10,7 +10,7 @@ on:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
-  BAZEL_VERSION: "latest"
+  BAZEL_VERSION: "8.4.0"
   WASM_TOOLS_VERSION: "1.217.0"
 
 jobs:

.github/workflows/performance.yml

@@ -22,7 +22,7 @@ on:
         - comparison
 
 env:
-  BAZEL_VERSION: "latest"
+  BAZEL_VERSION: "8.4.0"
 
 jobs:
   # Performance benchmarking