Bump julia-actions/cache from 1 to 2 (#86)

Bumps [julia-actions/cache](https://github.com/julia-actions/cache) from 1 to 2.
- [Release notes](https://github.com/julia-actions/cache/releases)
- [Commits](julia-actions/cache@v1...v2)

---
updated-dependencies:
- dependency-name: julia-actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/Documenter.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Setup Julia
         uses: julia-actions/setup-julia@v2
       - name: Pull Julia cache
-        uses: julia-actions/cache@v1
+        uses: julia-actions/cache@v2
       - name: Install documentation dependencies
         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 libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev
       - name: Install custom documentation dependencies

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           version: 1
           arch: x64
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - 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 libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev
       - name: Install pkgs dependencies
         run: xvfb-run -s '-screen 0 1024x768x24' julia --project=@. -e 'using Pkg; pkg"add https://github.com/JuliaGeo/TileProviders.jl https://github.com/JuliaGeo/MapTiles.jl"'