add Pkg"resolve" to documentation workflow to resolve stale manifests

Run DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=docs -e 'using Pkg; Pkg.test("WGPUCore", coverage=true)'
┌ Warning: The active manifest file has dependencies that were resolved with a different julia version (1.8.2). Unexpected behavior may occur.
└ @ ~/work/WGPUCore.jl/WGPUCore.jl/docs/Manifest.toml:0
┌ Warning: The project dependencies or compat requirements have changed since the manifest was last resolved.
│ It is recommended to `Pkg.resolve()` or consider `Pkg.update()` if necessary.
└ @ Pkg.API /opt/hostedtoolcache/julia/1.11.4/x64/share/julia/stdlib/v1.11/Pkg/src/API.jl:1206

Author: arhik

.github/workflows/CI.yml

@@ -52,6 +52,7 @@ jobs:
       - run : sudo apt-get update && sudo apt-get install -y xorg-dev mesa-utils xvfb libgl1 freeglut3-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev
       - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=wgpucore -e 'using Pkg; pkg"add https://github.com/JuliaWGPU/WGPUNative.jl"'
       - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=wgpucore -e 'using Pkg; pkg"add https://github.com/JuliaWGPU/WGPUCore.jl"'
+      - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=wgpucore -e 'using Pkg; pkg"resolve"'
       - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=docs -e 'using Pkg; Pkg.test("WGPUCore", coverage=true)'
       - uses: julia-actions/julia-docdeploy@v1
         with: