GitHub actions Workflow syntax highlight issues

[caquino]

Type: Bug

Hi,

The following example code breaks syntax highlight when using GitHub Actions Workflow as the selected language:

name: Example

on:
  push:

jobs:
  example:
    name: Example
    runs-on: ubuntu-latest

    strategy:
      fail-fast: true
      matrix: ${{ fromJSON( startsWith(inputs.linting, '{') && inputs.linting || format('{{"linting":["{0}"]}}', inputs.linting) ) }}

    steps:
      - run: echo "Example"

edit added animated gif to report.

Extension version: 0.25.8 VS Code version: Code 1.79.2 (695af097c7bd098fbf017ce3ac85e09bbc5dda06, 2023-06-14T08:58:33.551Z) OS version: Darwin arm64 22.5.0 Modes:

System Info

|Item|Value| |---|---| |CPUs|Apple M1 Pro (10 x 24)| |GPU Status|2d_canvas: enabled
canvas_oop_rasterization: disabled_off
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
metal: disabled_off
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled| |Load (avg)|4, 5, 5| |Memory (System)|32.00GB (0.34GB free)| |Process Argv|--crash-reporter-id 84717786-ecd9-4b5e-a3c9-9b80403c43aa| |Screen Reader|no| |VM|0%|

A/B Experiments

``` vsliv368cf:30146710 vsreu685:30147344 python383cf:30185419 vspor879:30202332 vspor708:30202333 vspor363:30204092 vslsvsres303:30308271 vserr242:30382549 pythontb:30283811 vsjup518:30340749 pythonptprofiler:30281270 vshan820:30294714 vstes263:30335439 vscorecescf:30445987 vscod805:30301674 binariesv615:30325510 bridge0708:30335490 bridge0723:30353136 vsaa593cf:30376535 pythonvs932:30410667 py29gd2263:30773603 vscaat:30438848 vsclangdc:30486549 c4g48928:30535728 dsvsc012:30540252 pynewext54:30695312 azure-dev_surveyone:30548225 282f8724:30602487 pyind779:30671433 f6dab269:30613381 pythonsymbol12:30671437 2i9eh265:30646982 showlangstatbar:30737416 vsctsb:30748421 pythonms35:30701012 03d35959:30757346 pythonfmttext:30731395 pythoncmv:30756943 fixshowwlkth:30771522 pythongtdpath:30769146 i26e3531:30769768 dh2dc718:30770000 pythonidxpt:30772539 pythondjangotscf:30772537 ```

[KetchupOnMyKetchup]

Repro'd issue as well:

Think the issue is somewhere in this part.

Moving this to triaged.