[CodeQL] Added env var to skip types for 8.x branch (elastic#205257)

## Summary

Added `CODEQL_EXTRACTOR_JAVASCRIPT_OPTION_SKIP_TYPES` env var for `8.x`
branch to check if that speeds up the CodeQL run, refer to
[documentation](https://codeql.github.com/docs/codeql-overview/codeql-changelog/codeql-cli-2.15.5/)
for details.

.github/workflows/codeql.yml

@@ -47,8 +47,8 @@ jobs:
         echo "CHECKOUT_SHA=$(git rev-parse HEAD)" >> "$GITHUB_ENV"
 
     - name: Set experimental environment variable for 8.x branch
-        if: env.CHECKOUT_REF == 'refs/heads/8.x'
-        run: echo "CODEQL_EXTRACTOR_JAVASCRIPT_OPTION_SKIP_TYPES=true" >> "$GITHUB_ENV"
+      if: env.CHECKOUT_REF == 'refs/heads/8.x'
+      run: echo "CODEQL_EXTRACTOR_JAVASCRIPT_OPTION_SKIP_TYPES=true" >> "$GITHUB_ENV"
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@883d8588e56d1753a8a58c1c86e88976f0c23449 # v3.26.3