Add cache to CI (#395)

* add cache to CI

* fix order of cache action

Author: nhz2

.github/workflows/Documenter.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   Documenter:
     permissions:
+      actions: write
       contents: write
       pull-requests: read
       statuses: write
@@ -20,6 +21,7 @@ jobs:
         with:
           version: '1.10'
           show-versioninfo: true         # this causes versioninfo to be printed to the action log
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-docdeploy@latest
         env:

.github/workflows/Invalidations.yml

@@ -20,6 +20,7 @@ jobs:
       with:
         version: '1'
     - uses: actions/checkout@v4
+    - uses: julia-actions/cache@v2
     - uses: julia-actions/julia-buildpkg@v1
     - uses: julia-actions/julia-invalidations@v1
       id: invs_pr

.github/workflows/test.yml

@@ -54,6 +54,8 @@ jobs:
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}
+          show-versioninfo: true
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-runtest@latest
         env:
           JULIA_NUM_THREADS: 2