Switching to v0.22.1

stacks/pinot-noir/config.json

 {
     "spack": {
-        "version": "v0.22.0",
+        "version": "releases/v0.22",
         "repos": {
             "scitas-externals": {
                 "url": "https://gitlab.epfl.ch/SCITAS/software-stack/spack-repo-externals.git",
@@ -74,7 +74,6 @@
             "gdbm",
             "gettext",
             "git",
-            "glibc",
             "gmake",
             "gmp",
             "gnuplot",

stacks/pinot-noir/packages.yaml

@@ -2,12 +2,12 @@ packages:
   all:
     providers:
       mpi: [openmpi, intel-oneapi-mpi]
-      iconv: [libiconv]
+      # iconv: [libiconv]
       jpeg: [libjpeg]
       zlib-api: [zlib-ng]
-    require:
-      - spec: "^libiconv"
-        when: "^iconv"
+    # require:
+    #   - spec: "^libiconv"
+    #     when: "^iconv"
 
   zlib-ng:
     require: ['build_system=autotools']