ci(pkgdown): install htslib, manually build iscream without pak;

htslib needs to be in the same job as the R CMD INSTALL for R to find it

.github/workflows/pkgdown.yaml

@@ -29,21 +29,25 @@ jobs:
         with:
           use-public-rspm: true
 
-      - name: Install htslib
-        run: |
-          sudo apt-get update && sudo apt-get install -y libhts-dev
-          echo "-------------------HTSLIB-----------------------"
-          pkg-config --cflags --libs htslib
-          echo "------------------------------------------------"
-
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::pkgdown, local::.
+          extra-packages: any::pkgdown
           needs: website
 
       - name: Check dev mode
         run: echo "$GITHUB_ENV"
 
+      - name: Install htslib iscream
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libhts-dev
+          echo "-------------------HTSLIB-----------------------"
+          pkg-config --cflags --libs htslib
+          echo "------------------------------------------------"
+
+      - name: Install htslib iscream
+        run: R CMD INSTALL .
+
       - name: Build site
         run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
         shell: Rscript {0}